コ

cook

coin

cotton

very hungry

steadily

lightly rolling (of a small and round thing)

personal computer

pachinko

mass communication

air conditioner

with a friendly grin

remote control

contest

(electrical) outlet

complex

disco

coat

code

copy

cola (carbonated soft drink)

coach

course

record (e.g. LP)

corner

alcohol

concert

competition

helicopter

raincoat

iced coffee

commercial (TV or radio advertisement)

computer

chocolate

coma (of a comet)

core

col

connection

pico-

ecological

koala

coil

cocoa (beverage, cocoa solids)

Coordinating Committee for Export to Communist Area

cost

cosmos

cox

comic books

committing (oneself to)

column (e.g. in newspaper)

Korea

corona

colon (punctuation)

Congo

component

cork

croquette

cobra

storyboard

conte

party

combination

competition

score (in a game)

Scotch

shovel

post (to a BBS)

rococo

copy-and-paste

communication

graphic equalizer

command

comical

comics

convenience store

silicon (Si)

telecommunication

icon

off-the-record

cosplay (dressing up as a character from an anime, manga, video game, etc.)

cosmos

colloid

Colorado

cockpit

cobalt (Co)

container (e.g. shipping)

contra

condor (incl. other New World vultures of family Cathartidae)

convoy

general contractor

nicotine

(laboratory) flask

word of mouth

comment

compass (for drawing circles, etc.)

being a mama's boy

mascot

communications within a small range

romantic comedy

boycott

microcomputer

capacitor

Costa Rica

Colosseum (amphitheatre in Rome)

concord

concept

contact

combine

compact

con brio

compost

semicolon

flamenco

contrast

economist

contrabass

columnist

Copernicus (1473-1543)

constant

consensus

promotional model (at a trade show, etc.)

Mekong delta

convenience

coronavirus

consultant

cohabitation

cosmopolitan

continental

condominium

conveyor belt

mitochondria

cogito, ergo sum

contact lens

San Francisco

commission

communiqué

body-conscious (look)

copier

comedian

collection (of art, stamps, etc.)

connection

concerto

comedy

cognac

convention

Czechoslovakia

consulting

chocolate

Czech Republic

(telephone) call

echo