| calm | calm, mild, soft | 形 | 穏やかな |
| can | can, be able to | 前 | ～できる |
| capability | ability, talent, capability | 名 | 能力 |
| capable | able, capable, competent | 形 | 有能な |
| capacity | capacity, faculty, ability, talent | 名 | 能力 |
| capacity | qualification, capacity, license | 名 | 資格 |
| career | job, career, profession | 名 | 職業 |
| carefree | carefree, careless, careful | 形 | 注意し‥ |
| careful | carefree, careless, careful | 形 | 注意し‥ |
| careful | careful, cautious, prudent, discreet | 形 | 慎重な |
| careful | detailed, careful, close, 他 | 形 | 綿密な |
| careless | carefree, careless, careful | 形 | 注意し‥ |
| careless | careless, thoughtless, hasty, rash | 形 | 軽率な |
| cargo | freight, cargo | 名 | 積荷 |
| caricature | comic strip, cartoon, caricature | 名 | 漫画 |
| carry out | carry out, conduct, do, execute | 形 | 行う |
| cartoon | comic strip, cartoon, caricature | 名 | 漫画 |
| cast | throw, toss, cast | 動 | 投げる |
| cast | throw, cast, toss, flung | 動 | 投げる |
| catastrophe | disaster, catastrophe, tragedy | 名 | 惨事 |
| cause | cause, reason | 名 | 原因 |
| caution | alert, caution, warn | 動 | 注意する |
| cautious | careful, cautious, prudent, discreet | 形 | 慎重な |
| celebration | celebration, party | 名 | 祝宴 |
| center | middle, center, heart | 名 | 中心 |
| ceremony | ceremony, ritual | 名 | 儀式 |
| certain | sure, certain, definite | 形 | 確かな |
| certain | sure, confident, certain, positive | 形 | 確かな |
| certainly | certainly, surely | 副 | 確かに |
| certainly | sure, certainly | 副 | いいですよ |
| chance | luck, fortune, chance | 名 | 運 |
| chance | opportunity, chance, occasion | 名 | 機会 |
| change | change, alter, transform | 動 | 変える |
| change | change, improve, revise | 動 | 改める |
| change | innovate, change | 動 | 変える |
| chaos | confusion, disorder, chaos | 名 | 混乱 |
| character | character, personality, temper | 名 | 性格 |
| characteristic | characteristic, feature, trait | 名 | 特徴 |
| charge | salary, charge, fee | 名 | 手当て |
| chase | follow, pursue, chase | 動 | 追う |
| chat | talk, conversation, chat, address | 名 | 話 |
| cheap | cheap, inexpensive | 形 | 安い |
| cheat | cheat, deceive, cover up | 動 | ごまかす |
| cheat on | cheat on, betray, deceive | 動 | 裏切る |
| check | check, examine, inspect | 動 | 調べる |
| cheeky | impudent, cheeky, shameless, forward | 形 | 無神経な |
| cheerful | cheerful, cheery, lively, mirthful | 形 | 快活な |
| cheerful | bright, light, cheerful | 形 | 明るい |
| cheerful | cheerful, vigorous, spirited | 形 | 元気な |
| cheery | cheerful, cheery, lively, mirthful | 形 | 快活な |
| chemical | medicine, drug, chemical | 名 | 薬 |
| chicken-hearted | cowardly, chicken-hearted, timid, shy | 形 | 憶病な |
| chief | main, chief, principal | 形 | 主な |
| childish | childish, childlike, immature | 形 | 幼い |
| childlike | childish, childlike, immature | 形 | 幼い |
| choose | choose, select, elect | 動 | 選ぶ |
| chop | cut, chop, trim | 動 | 切る |
| chuckle | chuckle, giggle, laugh, snicker | 動 | 笑う |
| cinema | movie,motion picture,film,the movies/cinema | 名 | 映画 |
| circle | group, circle | 名 | 集団 |
| city | town, city | 名 | 街 |
| civil | polite, courteous, civil | 形 | 礼儀正しい |
| claim | assert, claim, maintain, insist | 動 | 主張する |
| claim | claim, demand, require | 動 | 要求する |
| clandestine | secret, confidential, classified,他 | 名 | 秘密の |
| clash | crash, clash, crush | 動 | 衝突する |
| classified | secret, confidential, classified,他 | 名 | 秘密の |
| classify | put in order,tidy,straighten,classify,ar.. | 動 | 整理する |
| clatter | ring, clatter, rustle | 動 | 鳴る |
| clear | clear, apparent, obvious | 形 | 明らかな |
| clerk | clerk, worker, secretary, receptionist | 名 | 事務員 |
| clever | clever, intelligent, wise | 形 | かしこい |
| client | customer, client | 名 | お客 |
| close | close, shut | 動 | 閉める |
| close | close, near, nearby | 形 | 近い |
| close | detailed, careful, close, 他 | 形 | 綿密な |
| close | friendly, intimate, close | 形 | 親しい |
| clothes | clothes, clothing, dress | 名 | 衣服 |
| clothing | clothes, clothing, dress | 名 | 衣服 |
| club | club, bar, pub | 名 | 酒場 |
| coach | teacher, tutor, instructor, coach, trainer | 名 | 先生 |
| coast | shore, coast | 名 | 海岸 |
| coincide | agree,correspond,accord,coincide,tally | 動 | 一致する |
| collapse | collapse, fall down, slump | 動 | 倒れる |
| colleague | colleague, coworker | 名 | 同僚 |
| collect | collect, gather, assemble | 動 | 集める |
| college | college, university | 名 | 大学 |
| combat | fight, combat, battle | 動 | 戦う |
| combination | mixture, combination | 名 | 混合 |
| come | go, come | 動 | 行く |
| come out | come out, get out, go out | 動 | 出る |
| comic strip | comic strip, cartoon, caricature | 名 | 漫画 |
| comment | comment, criticism, review, remark | 名 | 批評 |
| comment | comment, remark | 名 | 発言 |
| coｍｍon | coｍｍon, familiar, ordinary, popular | 形 | ありふれた |
|---|
| common | common,widespread,ubiquitous,rife,prevalent | 形 | ありふれた |
| common | normal, average, standard, 他 | 形 | 通常の |
| company | company, firｍ, enterprise, corporation | 名 | 会社 |
| compare | compare, contrast | 動 | 比較する |
| compel | force, compel | 動 | 強いる |
| compete | compete, contend, contest, rival | 動 | 争う |
| competent | able, capable, competent | 形 | 有能な |
| competition | contest, competition | 名 | 競技 |
| complete | complete, perfect, absolute | 形 | 完全な |
| completely | completely, absolutely | 副 | 完全に |
| complex | complex, complicated, involved | 名 | 複雑な |
| complicated | complex, complicated, involved | 名 | 複雑な |
| conceal | hide, conceal, cover up | 動 | 隠す |
| conceited | proud,arrogant,haughty,insolent,conceited | 形 | 高慢な |
| concentrate | concentrate, focus | 形 | 集中する |
| conclusion | finish, end, conclusion | 名 | 終わり |
| conclusion | result, conclusion | 名 | 結果 |
| condition | state, condition, situation | 名 | 状態 |
| conduct | carry out, conduct, do, execute | 形 | 行う |
| conduct | act, action, behavior, conduct | 名 | 行動 |
| conference | conference, meeting | 名 | 会議 |
| confer with | consult, confer with, consult with, talk with | 動 | 相談する |
| confidence | trust, confidence, reliance | 名 | 信頼 |
| confident | sure, confident, certain, positive | 形 | 確かな |
| confidential | confidential, personal, private | 形 | 個人の |
| confidential | secret, confidential, classified,他 | 名 | 秘密の |
| conflict | controversy, conflict | 名 | 争い |
| confused | confused, confusing | 形 | 混乱した |
| confusing | confused, confusing | 形 | 混乱した |
| confusion | confusion, disorder, chaos | 名 | 混乱 |
| Congress | assembly, parliament, Congress, the Diet | 名 | 議会 |
| connect | connect, link, unite | 動 | つなぐ |
| conquer | win, beat, defeat, overcome, conquer | 動 | 勝つ |
| consciously | consciously,deliberately,intentionally,knowingly,. | 副 | 故意に |
| consecutive | continuous, continual, constant, 他 | 形 | 続く |
| consent | agree, approve, consent | 動 | 同意する |
| consequence | result, effect, consequence | 名 | 結果 |
| consequently | for this reason, hence, thus, as a result, 他 | 副 | それで |
| consider | think, consider, regard | 動 | 考える |
| constant | continuous, continual, constant, 他 | 形 | 続く |
| construct | build, construct, erect | 動 | 建てる |
| consult | consult, confer with, consult with, talk with | 動 | 相談する |
| consult with | consult, confer with, consult with, talk with | 動 | 相談する |
| contain | contain, include | 動 | 含む |
| contaminate | pollute, contaminate, make…dirty | 動 | 汚染する |
| contend | compete, contend, contest, rival | 動 | 争う |
| content | satisfy, content | 動 | 満足させる |
| contest | contest, competition | 名 | 競技 |
| contest | compete, contend, contest, rival | 動 | 争う |
| continual | continuous, continual, constant, 他 | 形 | 続く |
| continue | continue, last, ensue, follow | 動 | 続く |
| continuous | continuous, continual, constant, 他 | 形 | 続く |
| contract | agreement, contract | 名 | 契約 |
| contradictory | opposite,contrary,reverse,cont.. | 形 | 逆の |
| contrary | opposite,contrary,reverse,cont.. | 形 | 逆の |
| contrast | compare, contrast | 動 | 比較する |
| control | control, manage, direct, handle | 動 | 操る |
| controversy | controversy, conflict | 名 | 争い |
| conversation | talk, conversation, chat, address | 名 | 話 |
| convince | persuade, convince | 動 | 納得させる |
| cook | cook, make | 動 | 料理する |
| cool | fashionable, stylish, cool, trendy | 形 | 流行の |
| copy | copy, replica | 名 | 複製 |
| copy | imitate, copy, mimic, mock | 動 | 真似る |
| corporation | company, firｍ, enterprise, corporation | 名 | 会社 |
| correct | right, correct, accurate | 形 | 正しい |
| correspond | agree,correspond,accord,coincide,tally | 動 | 一致する |
| cost | outlay, cost, expenditure | 名 | お金 |
| cost | price, value, cost, expense | 名 | 費用 |
| counsel | lawyer, attorney, solicitor, 他 | 名 | 弁護士 |
| counselor | lawyer, attorney, solicitor, 他 | 名 | 弁護士 |
| count on | depend on, rely on, count on | 動 | 頼る |
| country | country, countryside, province | 名 | 地方 |
| country | country, nation, state | 名 | 国 |
| countryside | country, countryside, province | 名 | 地方 |
| courageous | brave, bold, courageous | 形 | 勇敢な |
| courteous | polite, courteous, civil | 形 | 礼儀正しい |
| cover up | cheat, deceive, cover up | 動 | ごまかす |
| cover up | hide, conceal, cover up | 動 | 隠す |
| covert | secret, confidential, classified,他 | 名 | 秘密の |
| cowardly | cowardly, chicken-hearted, timid, shy | 形 | 憶病な |
| coworker | colleague, coworker | 名 | 同僚 |
| crack | hole, gap, crack, leak, puncture | 名 | 穴 |
| crash | crash, clash, crush | 動 | 衝突する |
| crash | crash, wreck | 名 | 事故 |
| crazy | crazy, absorbed, addicted | 形 | 夢中な |
| create | make, build, create | 動 | 作る |
| crime | crime, sin, offense | 名 | 罪 |
| crisis | emergency, crisis | 名 | 危機 |
| criticism | comment, criticism, review, remark | 名 | 批評 |
| criticize | criticize, blame, accuse | 動 | 非難する |
| crowd | crowd, gather, get together, assemble | 動 | 集まる |
| crucial | serious, grave, crucial | 形 | 重大な |
| cruel | cruel, brutal, harsh | 形 | 残酷な |
| cruel | terrible, awful, cruel | 形 | ひどい |
| crush | crash, clash, crush | 動 | 衝突する |
| cry | cry, weep, sob | 動 | 泣く |
| cry | cry, shout, scream | 動 | 叫ぶ |
| curious | strange, curious, peculiar | 形 | 奇妙な |
| curt | unsociable, unfriendly, blunt, 他 | 形 | 無愛想な |
| curve | bend, twist, curve | 動 | 曲げる |
| custom | custom, habit | 名 | 習慣 |
| custom | tradition, custom | 名 | 習慣 |
| customary | usual, customary, habitual | 形 | いつもの |
| customer | customer, client | 名 | お客 |
| cut | cut, chop, trim | 動 | 切る |
| cute | pretty, cute | 形 | 可愛い |