collusion
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C1 noun /kəˈluːʒən/

collusion

colusión
Meaning
A secret agreement or cooperation, especially for an illegal or dishonest purpose.
Example
There was evidence of collusion between the officials and the contractors.
Había evidencia de colusión entre los funcionarios y los contratistas.
B1 adverb /ˈkeərləsli/

carelessly

descuidamente
Meaning
without care or attention; in a negligent or reckless manner
Example
He carelessly left the door unlocked.
Dejó la puerta abierta descuidadamente.
C1 noun ˈkɔː.pəs

corpus

una gran colección de datos lingüísticos usados para el análisis e investigación del lenguaje
Meaning
A large collection of linguistic data used for language analysis and research.
Example
Linguists use a corpus to analyze language patterns.
Los lingüistas usan un corpus para analizar los patrones del lenguaje.
C2 noun /tʃɜːrl/

churl

grosero
Meaning
A rude, boorish, or ill-mannered person.
Example
The waiter was such a churl that customers left unhappy.
El camarero era tan grosero que los clientes se fueron descontentos.
B1 noun /kəˌmjunɪˈkeɪʃən/

communication

comunicación
Meaning
The act or process of using words, sounds, signs, or behaviors to express or exchange information or to express your ideas, thoughts, feelings, etc.
Example
Effective communication is crucial for any successful project.
La comunicación efectiva es crucial para cualquier proyecto exitoso.
C2 adjective /kəˈmɛnʃərət/

commensurate

proporcional
Meaning
corresponding in size, degree, or extent; proportionate
Example
Salary will be commensurate with experience.
El salario será proporcional a la experiencia.
A2 noun /ˈkʌstəmər/

customer

cliente
Meaning
a person or organization that buys goods or services from a store or business
Example
The shopkeeper greeted the customer with a smile.
El tendero saludó al cliente con una sonrisa.
C2 noun /ˌkɑːrt ˈblɑːnʃ/

carte blanche

carta blanca
Meaning
complete freedom to act as one wishes
Example
The manager gave her team carte blanche to design the project.
El gerente dio a su equipo carta blanca para diseñar el proyecto.
C1 noun /kuː/

coup

golpe de estado
Meaning
a sudden, decisive action that brings about a change, especially in government
Example
The military staged a coup to overthrow the existing regime.
El ejército llevó a cabo un golpe para derrocar al régimen existente.
B2 noun /ˈsaɪkloʊn/

cyclone

ciclón
Meaning
a large-scale air mass that rotates around a strong center of low atmospheric pressure; a violent tropical storm
Example
The cyclone caused severe flooding along the coast.
El ciclón causó graves inundaciones en la costa.
B2 noun ˌkɒn.fɪ.den.ʃiˈæl.ɪ.ti

confidentiality

confidencialidad
Meaning
The state of keeping or being kept secret or private
Example
Confidentiality is crucial in data security.
La confidencialidad es crucial en la seguridad de datos.
B2 noun /ˌkɔːriˈændər/

Coriander

cilantro
Meaning
aromatic herb with feathery leaves used for flavoring food; also refers to the seeds used as spice
Example
Fresh coriander leaves are sprinkled on top of the curry.
Las hojas frescas de cilantro se espolvorean encima del curry.
B2 noun /koʊˈɔːrdɪˌneɪtər/

coordinator

coordinador
Meaning
a person who organizes people or activities so that they work well together
Example
The event coordinator managed everything perfectly.
El coordinador del evento gestionó todo perfectamente.
C2 noun /ˌkæt ə ˈnaɪn ˌteɪlz/

cat-o-nine-tails

latigazo de nueve colas
Meaning
A whip with nine knotted cords, historically used for punishment.
Example
The sailor feared the cat-o-nine-tails more than the storm at sea.
El marinero temía más al cat-o-nine-tails que a la tormenta en el mar.
C2 adjective /krɪˈpʌskjʊlər/

crepuscular

relacionado con el crepúsculo
Meaning
relating to twilight or active during twilight
Example
Bats are crepuscular animals, most active at dawn and dusk.
Los murciélagos son animales crepusculares, los más activos al amanecer y al atardecer.
C1 noun /kənˈsiːt/

conceit

vanidad
Meaning
excessive pride in oneself; vanity
Example
His conceit made him unpopular among his colleagues.
Su vanidad lo hizo impopular entre sus compañeros.
C1 adjective /ˈsiːs.ləs/

Ceaseless

incesante; continuo
Meaning
continuing without pause or interruption; endless
Example
The ceaseless rain lasted for three days.
La lluvia incesante duró tres días.
B2 noun /kənˈvɛn.ʃən.əl ˈfɑːr.mɪŋ/

conventional farming

agricultura convencional
Meaning
Traditional farming method using synthetic fertilizers, pesticides, and modern technology.
Example
Conventional farming increases crop production using fertilizers.
La agricultura convencional aumenta la producción de cultivos utilizando fertilizantes.
A1 noun /koʊld drɪŋk/

Cold drink

bebida fría
Meaning
A chilled beverage; a refreshing drink served cold
Example
I ordered a cold drink to beat the summer heat.
Pedí una bebida fría para aliviar el calor del verano.
A2 adjective /ˈkʌmɪŋ/

coming

próximo
Meaning
approaching or happening soon
Example
We are preparing for the coming festival.
Estamos preparando para el próximo festival.
C1 adjective /kənˈtɛmptəbl/

contemptible

despreciable, abominable
Meaning
deserving of contempt; despicable
Example
His deceitful actions were truly contemptible.
Sus acciones engañosas fueron verdaderamente despreciables.
B2 noun /ˈkəʊ.tɪŋ/

coating

recubrimiento
Meaning
A protective or decorative layer applied to a surface.
Example
A protective coating prevents rust formation.
Un recubrimiento protector evita la formación de óxido.
B2 adjective /ˈklʌm.zi/

clumsy

torpe
Meaning
awkward in movement or lacking skill
Example
He is so clumsy that he drops things all the time.
Él es tan torpe que siempre deja caer cosas.
A2 noun /ˈtʃer.i/

Cherry

cereza
Meaning
a small round red or black fruit with a hard seed inside
Example
She picked fresh cherries from the tree in her garden.
Ella recogió cerezas frescas del árbol en su jardín.
A1 noun /ˈkʌn.tri/

country

país
Meaning
a nation with its own government and borders
Example
Bangladesh is a beautiful country with rich culture.
Bangladés es un hermoso país con una rica cultura.
B2 adjective ˈkʌl.ɪ.nər.i

culinary

culinario
Meaning
Related to cooking or the preparation of food, especially in a sophisticated or professional manner.
Example
Culinary advancements enhance the dining experience.
Los avances culinarios mejoran la experiencia gastronómica.
A2 noun ˈsen.tərz

centers

centros
Meaning
The middle point of a circle or sphere, equidistant from every point on the circumference or surface; a place or group of buildings where a specified activity is concentrated.
Example
Centers drive regional development.
Los centros impulsan el desarrollo regional.
C1 verb, noun /klɑːɡ/

clog

obstruir / zapato de madera
Meaning
to block or become blocked; a type of heavy wooden shoe
Example
The sink was clogged with food waste.
El fregadero estaba obstruido con desperdicios de comida.
C1 noun /kənˈkʌrəns/

concurrence

concurrencia
Meaning
Agreement or union in action, opinion, or occurrence; simultaneous happening of events.
Example
The project was completed with the concurrence of all departments.
El proyecto se completó con la concurrencia de todos los departamentos.
C1 noun /ˈʃæsi/

chassis

chasis del vehículo
Meaning
the base frame of a vehicle or other wheeled machine
Example
The mechanic examined the car's chassis for damage.
El mecánico examinó el chasis del coche en busca de daños.
B2 noun /ˈkaʊnsɪlər/

councilor

consejero
Meaning
an elected member of a council, especially a local government body
Example
The councilor held a public meeting to discuss local issues.
El consejero organizó una reunión pública para discutir los problemas locales.
C1 noun /ˈsɪstərn/

cistern

cisterna
Meaning
A tank or container for storing water, usually for household use.
Example
The old house still had a cistern to collect rainwater.
La casa antigua todavía tenía una cisterna para recoger agua de lluvia.
C1 adjective, noun /ˈkɔːrpərəl/

corporal

corporal
Meaning
relating to the body; a low-ranking officer in the military
Example
He suffered a corporal punishment for his mistake.
Él sufrió un castigo corporal por su error.
C2 noun /kænˈtɑː.tə/

cantata

cantata
Meaning
A vocal composition with instrumental accompaniment, typically in several movements, often involving a choir.
Example
The choir performed a beautiful cantata during the festival.
El coro interpretó una hermosa cantata durante el festival.
C2 noun /ˈkoʊ.tə.ri/

coterie

un pequeño grupo exclusivo
Meaning
a small, exclusive group of people with shared interests
Example
He belonged to a coterie of artists who met every Friday.
Él pertenecía a un grupo de artistas que se reunían cada viernes.
B2 adjective /ˈkɔːstli/

costly

costoso
Meaning
expensive or causing a lot of money, time, or effort
Example
Their mistake proved to be very costly for the company.
Su error resultó ser muy costoso para la empresa.
C2 verb /ˈkɔː.tə.raɪz/

cauterize

cauterizar
Meaning
to burn tissue to stop bleeding or prevent infection
Example
The doctor cauterized the wound to stop the bleeding.
El doctor cauterizó la herida para detener el sangrado.
C2 noun /kəˈpærɪsən/

caparison

cubierta ornamental para un caballo; ropa o decoración rica y elaborada
Meaning
an ornamental covering for a horse; rich and elaborate clothing or decoration
Example
The king’s horse was adorned with a golden caparison.
El caballo del rey estaba adornado con un caparison de oro.
A2 adjective /ˈklɛvər/

clever

astuto, inteligente
Meaning
Quick to understand, learn, and devise ideas or solutions; intelligent.
Example
She is clever enough to solve the puzzle quickly.
Ella es lo suficientemente astuta para resolver el rompecabezas rápidamente.
A2 verb /kræʃ/

crash

felicidad
Meaning
To collide violently; to suddenly stop working (for machines or computers).
Example
The car crashed into the wall at high speed.
Ella no pudo ocultar su felicidad cuando recibió el premio.
C1 adjective /ˈkæn.dɪd/

Candid

sincero; franco; honesto
Meaning
truthful and straightforward; frank and honest in expression
Example
I appreciate your candid opinion about the project.
Aprecio tu opinión sincera sobre el proyecto.
C2 noun /kɒŋk/

Conch

concha
Meaning
a large sea shell that can be used as a horn; the marine mollusk that lives in such a shell
Example
The fisherman blew the conch shell to signal the end of the day.
El pescador sopló la concha para señalar el final del día.
B1 adjective /ˈkæʒ.u.əl/

Casual

relajado y despreocupado; que ocurre por casualidad; informal
Meaning
relaxed and unconcerned; happening by chance; informal
Example
He wore casual clothes to the party.
Él usó ropa casual para la fiesta.
C2 noun /klɛərˈvɔɪəns/

clairvoyance

clarividencia
Meaning
the supposed ability to perceive events beyond normal sensory contact; psychic insight
Example
She claimed to have clairvoyance and predicted the future.
Ella afirmó tener clarividencia y predijo el futuro.
B2 adjective /kəmˈpækt/

Compact

compacto; pequeño y eficientemente diseñado
Meaning
closely and neatly packed together; small and efficiently designed
Example
She bought a compact car that fits easily in small parking spaces.
Ella compró un coche compacto que cabe fácilmente en espacios de estacionamiento pequeños.
A2 noun /ˈkæs.əl/

Castle

castillo; palacio;
Meaning
a large fortified building or set of buildings; a fortress
Example
The medieval castle stood majestically on top of the hill.
El castillo medieval se erguía majestuoso en la cima de la colina.
C2 verb /ʧeɪf/

chafe

rozar
Meaning
To make or become sore by rubbing; to feel irritation or impatience.
Example
The tight shoes began to chafe his heels.
Los zapatos apretados empezaron a rozar sus talones.
C2 noun /kaɪˈmɪərə/

chimera

quimera
Meaning
A mythical creature with parts from different animals; also used to mean a fanciful illusion or unattainable dream.
Example
The idea of a perfect society is often a chimera.
La idea de una sociedad perfecta es a menudo una quimera.
C2 verb /ˈkɒsɪt/

cosset

mimar
Meaning
to care for and protect in an overindulgent way
Example
The little girl was cosseted by her grandparents.
La niña pequeña fue muy mimada por sus abuelos.
C1 noun /ˈkɒləmnɪst/

columnist

columnista
Meaning
a journalist who regularly writes articles or opinions for a newspaper or magazine
Example
The columnist wrote an article about climate change.
El columnista escribió un artículo sobre el cambio climático.
C1 noun /kɔːrs flaʊər/

Course flour

harina gruesa
Meaning
coarsely ground flour with larger particles, typically used for baking bread
Example
She used course flour to make homemade bread with a rustic texture.
Ella usó harina gruesa para hacer pan casero con una textura rústica.
B1 noun /ˈker.ləs.nəs/

Carelessness

descuido; negligencia
Meaning
failure to give sufficient attention to avoiding harm or errors
Example
His carelessness with money led to serious financial problems.
Su descuido con el dinero llevó a graves problemas financieros.
C1 adjective ˌkɑːr.sɪ.nəˈdʒen.ɪk

carcinogenic

carcinógeno
Meaning
Having the potential to cause cancer in living tissue.
Example
Processed meat contains carcinogenic compounds.
La carne procesada contiene compuestos carcinógenos.
B1 noun /kəmˈpɛtɪtər/

competitor

competidor
Meaning
a person, team, or company that competes with others
Example
The company lowered its prices to beat its main competitor.
La empresa redujo sus precios para vencer a su principal competidor.
B2 adjective /kənˈvɪnsɪŋ/

Convincing

convincente; creíble; persuasivo; capaz de hacer que alguien crea algo
Meaning
believable; credible; persuasive; able to make someone believe something
Example
His convincing argument won over the entire jury.
Su argumento convincente ganó al jurado entero.
B1 adverb /ˈkloʊsli/

closely

felicidad
Meaning
in a way that is very near in space, time, or relationship; carefully and attentively
Example
The detective examined the evidence closely.
No pudo esconder su felicidad cuando recibió el premio.
C1 noun ˌkʌl.mɪˈneɪ.ʃən

culmination

culminación. El punto más alto o culminante de algo, especialmente alcanzado después de mucho tiempo.
Meaning
The highest or climactic point of something, especially as attained after a long time.
Example
The project reached its culmination after years of effort.
El proyecto alcanzó su culminación después de años de esfuerzo.
C1 verb koʊˈɜrs

coerce

coaccionar
Meaning
To force someone to do something against their will using threats or intimidation.
Example
The manager tried to coerce the employees into working overtime.
El gerente intentó coaccionar a los empleados para que trabajaran horas extras.
B2 noun /kənˈspɪrəsi/

conspiracy

conspiración
Meaning
A secret plan by a group to do something unlawful or harmful.
Example
The police uncovered a conspiracy to overthrow the government.
La policía descubrió una conspiración para derrocar al gobierno.
A2 noun /kæp/

Cap

gorra
Meaning
a head covering with a visor; a protective covering
Example
He wore a baseball cap to protect himself from the sun.
Él usó una gorra de béisbol para protegerse del sol.
C2 noun /ˈkæl.əm.ni/

Calumny

calumnia
Meaning
the making of false and defamatory statements about someone in order to damage their reputation
Example
The politician sued the newspaper for spreading calumny about his personal life.
El político demandó al periódico por difundir calumnias sobre su vida personal.
B1 noun /kəmˈpəʊzə(r)/

composer

compositor
Meaning
a person who writes music, especially classical music
Example
The composer is working on a new symphony.
El compositor está trabajando en una nueva sinfonía.
B2 adjective /ˈsɛl.əˌbreɪ.tɪd/

celebrated

célebre
Meaning
Widely known and praised; famous for an achievement.
Example
He is a celebrated author in the field of literature.
Él es un autor celebrado en el campo de la literatura.
C1 adjective ˌkaʊntəprəˈdʌktɪv

counterproductive

contraproducente
Meaning
Having the opposite of the desired effect; tending to hinder rather than help.
Example
Counterproductive activities often stem from dissatisfaction.
Las actividades contraproducentes a menudo surgen de la insatisfacción.
B2 verb /tʃænt/

chant

cantar
Meaning
to sing or recite in a rhythmic way
Example
The monks chant prayers in the temple.
Los monjes cantan oraciones en el templo.
B1 adverb /ˈkʌmftəbli/

Comfortably

cómodamente
Meaning
in a comfortable manner; without difficulty or effort; with ease
Example
She was sitting comfortably in her favorite chair.
Ella estaba sentada cómodamente en su silla favorita.
A2 noun /klaʊd/

Cloud

nube
Meaning
a visible mass of condensed water vapour floating in the atmosphere above the ground
Example
Dark clouds gathered before the storm.
Las nubes oscuras se agruparon antes de la tormenta.
B2 verb /koʊp/

cope

hacer frente a
Meaning
to deal effectively with something difficult
Example
She had to cope with a lot of pressure at work.
Ella tuvo que hacer frente a mucha presión en el trabajo.
C2 noun /ˈkɒd.ɪ.sɪl/

codicil

codicilio
Meaning
a legal document that makes changes or additions to an existing will
Example
He added a codicil to his will to include his granddaughter.
Él agregó un codicilio a su testamento para incluir a su nieta.
B2 noun /ˈkɑːmpaʊnd/

compound

compuesto / área cerrada
Meaning
a thing that is composed of two or more separate elements; an enclosed area with buildings
Example
The scientist studied the chemical compound in the lab.
El científico estudió el compuesto químico en el laboratorio.
A1 noun /kloʊðz/

clothes

ropa
Meaning
garments worn on the body
Example
She bought new clothes for the party.
Ella compró ropa nueva para la fiesta.
A2 adjective /ˈkruːəl/

cruel

cruel
Meaning
Willfully causing pain or suffering to others, or feeling no concern about it.
Example
It was cruel to make fun of the injured boy.
Fue cruel burlarse del niño herido.
C2 noun ˌkɒdʒɪˈteɪʃən

cogitation

reflexión, meditación
Meaning
The action of thinking deeply about something; contemplation
Example
After much cogitation, he made the final decision.
Después de mucha reflexión, tomó la decisión final.
C2 noun /ˈʃɑːrlətən/

charlatan

charlatán
Meaning
a person who pretends to have knowledge or skills that they do not really possess; a fraud
Example
The so-called healer was exposed as a charlatan.
El llamado sanador fue expuesto como un charlatán.
B2 noun kənˌtæm.ɪˈneɪ.ʃən

contamination

contaminación
Meaning
The process of making something less pure by exposure to or addition of a poisonous or polluting substance.
Example
Contamination of air leads to health issues.
La contaminación del aire provoca problemas de salud.
C1 noun /ˈkoʊtʃ.mən/

Coachman

cochero
Meaning
a person who drives a horse-drawn carriage or coach
Example
The coachman skillfully guided the horses through the busy streets.
El cochero guió hábilmente los caballos a través de las calles concurridas.
A2 adjective /ˈkloʊ.sɪst/

closest

más cercano
Meaning
nearest in distance or relationship
Example
He is my closest friend.
Él es mi amigo más cercano.
A2 noun/verb /kənˈsɜːrn/

concern

preocupación, asunto de preocupación
Meaning
to relate to or affect; a matter of worry or interest
Example
Environmental issues concern all of us.
Los problemas ambientales nos conciernen a todos.
C1 adjective /ˈkɒn.ɪ.fər.əs/

coniferous

relacionado con los árboles que producen conos
Meaning
Relating to cone-bearing trees that usually have needle-like leaves and remain green year-round.
Example
Pine trees are coniferous and grow in colder climates.
Los pinos son coníferos y crecen en climas más fríos.
C1 adjective /ˌkɒmprɪˈhɛnsəbl/

comprehensible

comprensible
Meaning
able to be understood; intelligible
Example
The teacher explained the topic in a comprehensible way.
El maestro explicó el tema de una manera comprensible.
B2 adjective /ˈkɒn.trər.i/

Contrary

contrario; opuesto;
Meaning
opposite in nature, direction, or meaning; completely different
Example
Contrary to popular belief, cats can be very social animals.
Contrario a la creencia popular, los gatos pueden ser animales muy sociales.
B1 noun /kəmˈpænjən/

companion

compañero
Meaning
a person or animal you spend time with or travel with
Example
He was my companion during the long journey.
Él fue mi compañero durante el largo viaje.
B1 noun /kənˈviː.ni.əns/

Convenience

comodidad
Meaning
the state of being able to proceed with something without difficulty; a thing that contributes to an easy way of life
Example
The convenience of online shopping has changed how people buy products.
La comodidad de las compras en línea ha cambiado la forma en que las personas compran productos.
A2 noun /klʌb/

club

club
Meaning
an organization of people with a common interest; also a place for social gatherings or entertainment
Example
He joined the local tennis club to meet new people.
Se unió al club local de tenis para conocer gente nueva.
C1 noun /ˈklaɪəntɛl/

clientele

clientela
Meaning
The clients or customers of a professional person or business.
Example
The salon's clientele includes many high-profile individuals.
La clientela del salón incluye a muchos individuos de alto perfil.
C1 noun /ˌkɒnfləˈɡreɪʃən/

conflagration

gran incendio destructor
Meaning
A large, destructive fire that destroys a great deal of land or property.
Example
The forest was devastated by a massive conflagration that lasted for days.
El bosque fue devastado por un enorme incendio que duró varios días.
C2 noun /ˈkætəˌklɪzəm/

cataclysm

cataclismo
Meaning
A sudden and violent event that causes great destruction or upheaval.
Example
The earthquake was a cataclysm that reshaped the city.
El terremoto fue un cataclismo que remodeló la ciudad.
A2 noun /kəˈnɛkʃən/

connection

conexión
Meaning
a relationship in which a person, thing, or idea is linked or associated with something else
Example
There is a strong connection between exercise and health.
Hay una fuerte conexión entre el ejercicio y la salud.
B2 noun /ˈkɑːrɡoʊ/

cargo

carga
Meaning
goods carried by a ship, plane, or other transport
Example
The ship was loaded with valuable cargo.
El barco estaba cargado con carga valiosa.
B2 verb kəˈlaɪd

collide

chocar, colisionar
Meaning
Hit with force when moving; come into conflict or opposition.
Example
The two cars collided at the intersection.
Los dos coches colisionaron en la intersección.
C1 adjective /ˌʃoʊ.vəˈnɪs.tɪk/

chauvinistic

chauvinista
Meaning
Displaying or characterized by excessive or prejudiced loyalty or support, especially towards one's own gender or group.
Example
His chauvinistic attitude alienated many of his female colleagues.
Su actitud chauvinista alienó a muchas de sus compañeras de trabajo.
C2 noun/adjective /ˈsaɪklɔɪd/

cycloid

curva ciclóidea
Meaning
a curve traced by a point on the rim of a circle as it rolls along a straight line
Example
The cycloid is often studied in mathematics and physics.
La ciclóidea se estudia a menudo en matemáticas y física.
B1 adverb /ˈkɒnstəntli/

Constantly

constantemente; siempre; sin parar
Meaning
continuously over a period of time; always; without stopping
Example
The baby was constantly crying throughout the night.
El bebé estuvo llorando constantemente durante toda la noche.
C2 noun /kəˈliːdʒən/

collegian

estudiante universitario
Meaning
a student of a college
Example
The collegians were preparing for the cultural festival.
Los colegiales se estaban preparando para el festival cultural.
C1 verb কনডেন্স

condense

condensarse
Meaning
To change from gas to liquid form; to become denser.
Example
Water vapor condenses into raindrops.
El vapor de agua se condensa en gotas de lluvia.
C1 noun /ˈkɜːrlər/

curler

rizador
Meaning
A small roller used for curling hair.
Example
She used a curler to style her hair for the party.
Ella usó un rizador para estilizar su cabello para la fiesta.
B2 verb /kənˈfes/

confess

confesar
Meaning
to admit guilt or wrongdoing; to acknowledge
Example
He confessed his mistake to his teacher.
Él confesó su error a su maestro.
C1 noun /kæsˈkeɪd/

Cascade

cascada; una sucesión de etapas o operaciones
Meaning
a waterfall; a succession of stages or operations
Example
The mountain cascade created a beautiful natural swimming pool below.
La cascada de la montaña creó una hermosa piscina natural de natación abajo.
C2 noun /krɪpˈtɒɡ.rə.fi/

cryptography

práctica de asegurar la información mediante técnicas de encriptación o codificación
Meaning
The practice of securing information through encryption or coding techniques
Example
Modern cryptography ensures secure online transactions.
La criptografía moderna asegura las transacciones en línea seguras.
C2 verb /kəˈmɪz.ə.reɪt/

commiserate

expresar simpatía o compasión por la desgracia de alguien
Meaning
To express sympathy or compassion for someone's misfortune.
Example
She called her friend to commiserate after his loss.
Ella llamó a su amigo para compadecerse después de su pérdida.
C1 adjective /kənˈsɜːrtɪd/

concerted

concertado
Meaning
done with great effort, planned and performed together by multiple people
Example
The workers made a concerted effort to improve conditions.
Los trabajadores hicieron un esfuerzo concertado para mejorar las condiciones.
B1 noun /ˈkɛmɪkəl/

chemical

sustancia química
Meaning
a substance produced by or used in a chemical process
Example
The factory releases harmful chemicals into the river.
La fábrica libera sustancias químicas dañinas en el río.
B1 noun, verb /ˈkrɛdɪt/

credit

crédito, reconocimiento
Meaning
As a noun: the ability to obtain goods or services before payment; recognition for an achievement. As a verb: to publicly acknowledge someone's contribution.
Example
She received credit for her contribution to the project.
Ella recibió crédito por su contribución al proyecto.
A1 noun /keɪk/

Cake

pastel
Meaning
a sweet baked dessert made from flour, sugar, and other ingredients
Example
They ordered a chocolate cake for the birthday party.
Pidieron un pastel de chocolate para la fiesta de cumpleaños.
B2 noun ˌkɒnsəlˈteɪʃən

consultation

consulta
Meaning
The action of consulting or discussing; a meeting with an expert or professional to seek advice.
Example
Consultation was essential.
La consulta fue esencial.
B2 noun /kɒd fɪʃ/

Cod fish

bacalao
Meaning
A large marine fish with white flesh, commonly used for food
Example
The fisherman caught a large cod fish in the North Atlantic.
El pescador atrapó un gran bacalao en el Atlántico Norte.
C2 noun /ʃɪˈkeɪnəri/

chicanery

engaño
Meaning
The use of trickery or deception to achieve a purpose.
Example
The politician was accused of chicanery to win the election.
Se acusó al político de engaño para ganar las elecciones.
C2 noun /kəˈlɒsəti/

callosity

piel engrosada
Meaning
A thickened or hardened area of skin; insensitivity or hardness of character.
Example
Years of manual labor left callosity on his hands.
Años de trabajo manual dejaron callosidad en sus manos.
B1 noun /ˈkʊkər/

cooker

cocina; olla
Meaning
a device or appliance used for cooking food; a person or thing that cooks
Example
The rice cooker makes cooking meals much easier.
La arrocera hace que cocinar sea más fácil.
A2 noun /ˈsɪnəmə/

cinema

cine
Meaning
a place where films are shown to the public; the art or industry of making and showing films
Example
We went to the cinema to watch a new movie.
Fuimos al cine para ver una película nueva.
C1 adjective /ˌkɒnsɪˈkwɛnʃəl/

consequential

trascendental
Meaning
Having important or significant consequences; resulting from something.
Example
The meeting was consequential for the future of the project.
La reunión fue trascendental para el futuro del proyecto.
C1 noun /kənˈfɔːrməns/

conformance

conformidad
Meaning
The act of conforming to a rule, standard, or law.
Example
The product was tested for conformance with safety standards.
El producto fue probado para su conformidad con los estándares de seguridad.
C1 adjective, verb, noun /ˈkaʊntərfɪt/

counterfeit

falsificado
Meaning
made to look like something genuine in order to deceive
Example
The police seized a batch of counterfeit currency.
La policía confiscó un lote de billetes falsificados.
B2 noun /ˈkrɪstəl/

crystal

cristal
Meaning
a clear, transparent mineral or glass that forms a solid structure with regular patterns
Example
She wore a necklace made of sparkling crystal.
Ella llevaba un collar hecho de cristal brillante.
C2 noun /ˈsɜːrtɪˌtjuːd/

certitude

certeza
Meaning
Absolute certainty or conviction about something.
Example
She spoke with certitude about the outcome of the case.
Ella habló con certeza sobre el resultado del caso.
C1 verb /kəˈluːd/

collude

conspirar
Meaning
To secretly cooperate or conspire with others, often for a deceitful purpose.
Example
The two companies colluded to fix prices in the market.
Las dos empresas conspiraron para fijar los precios en el mercado.
B2 noun /koʊl/

coal

carbón
Meaning
a black or dark brown rock used as fuel, formed from decomposed plant matter
Example
The factory still uses coal as its main source of energy.
La fábrica aún usa carbón como su principal fuente de energía.
B2 adverb /kənˈvɜːrsli/

conversely

por el contrario
Meaning
in an opposite or contrary manner
Example
He is rich, conversely, his brother struggles financially.
Él es rico, por el contrario, su hermano lucha financieramente.
C1 noun /kəˈmændər ɪn tʃiːf/

Commander-in-chief

comandante en jefe
Meaning
the supreme leader of a nation's armed forces
Example
The president serves as the commander-in-chief of the military.
El presidente actúa como el comandante en jefe de las fuerzas armadas.
B1 noun /ˈsɪtɪzənʃɪp/

citizenship

ciudadanía
Meaning
the status of being a recognized member of a state or country, with rights and duties
Example
He applied for American citizenship after living there for ten years.
Solicitó la ciudadanía estadounidense después de vivir allí durante diez años.
C1 noun /ˈkɒmən kɑːp/

Common Carp

carpa común
Meaning
A large freshwater fish widely cultivated for food
Example
Common carp is an important fish in aquaculture.
La carpa común es un pez importante en la acuicultura.