clumsy a.笨拙的;不好看的;粗陋的 [obs clumse be numb(麻木的)with cold]

　　cluster n.串;束 [clyster: cf CLOT凝结]来源：考试大

　　clutch v.抓紧 [18th c: prob SEngl var of cletch　cleck to hatch klekja,assoc with CLUTCH(用手或指甲等)抓住,] [握]

　　clutter n.喧闹 [partly var of clotter coagulate, partly assoc with CLUSTER,CLATTER 嗒声;喧闹]

　　coadjutor n.助手;伙伴 [ adjutor　adjuvare -jut- help ADJUTANT副手;副官]

　　coalesce v.联合;合并 [alescere alit- grow　alere nourish coalition结合,合并]

　　coax v.甘言劝诱来源：考试大

　　coaxal a.同轴的来源：考试大

　　cockade n.帽章 [fem of obs coquard saucy傲慢的;活泼的coq COCK公鸡;耸立]

　　coddle v.娇养;溺爱 [caudle invalids' gruel稀粥;使极度疲劳]

　　codicil n.遗嘱的附录 [ codicillus, dimin of CODEX法律;规则]

　　coerce v.强迫 [arcere restrain coercion 强迫;威压;高压政治]

　　cog n.轮齿 [ prob of Scand orig]来源：考试大

　　cogent a.使人信服的 [agere act- drive cogency(使人信服的)力量,(理论等的)中肯]

　　cogitate v.思考 [ cogitare think( AGITATE骚动)cogitation(常~s)(文语)思考(力),熟虑;深思 after much ~ 经过] [思熟虑之后 cogitable 可以思考的,可做思考题目的]

　　cognate a.同源的;同性质的 [ cognatus(natus born)]来源：考试大

　　cognizance n.认知 [ conoisance  cognoscent-cognitio:COGNITION认识;知觉]

　　cognomen n.姓 [cognominal 同名的 姓的 cognoscente(美术品等的)鉴赏家 cognoscible可认知的;可辨识的]

　　cohere v.凝聚 [ cohaerere cohaes-( haerere stick)coherent 互相密合的;凝聚性的cohesion 团结;凝结力]

　　coherence n.n.附著;凝聚;结合来源：考试大

　　cohort n.一队兵;同事 [ cohorte or  cohors cohort- enclosure围绕, company]

　　coincide v.与...一致;符合;暗合 [med coincidere(INCIDENT 事件;附带的,外来的)coincidence 一致,符合;偶合,巧合]

　　colander n.滤器;漏锅 [ colare strain 拉紧]来源：考试大

　　collaborate v.合作 [collaborare collaborat-(laborare work)]

　　collate v.校勘;对照 [ collat- pp. stem of conferre compare]

　　collateral a.并行的;旁系的 [ collateralis(侧面;旁边的)]来源：考试大

　　collation n.便餐;核对 [Cassian's Collationes Patrum同 Lives of the　Fathers)read by Benedictines(圣本铎修会的僧)and followed] [by a light meal]

　　collide v.碰撞;冲突;抵触[collidere collis-( laedere strike, damage)collision 碰撞,猛撞(with,against)(利害、意见、目的 [的)对立,不一致,冲突]

　　collier n.煤矿工人;运煤船来源：考试大

　　colloquial a.会话的;口语的 [ colloquium COLLOQUY(."谈话,会谈")(文语)(正式的)对话,会谈]

　　collusion n.共谋;骗串;勾结 [collusion or L collusio(COLLUDE共谋,串通,勾结 colludere collus-(COM-, ludere lus- play))]

　　colorable a.似是而非的;貌似可取的来源：考试大

　　comatose a.昏睡的;无生气的 [coma 昏睡;彗核;种芒]

　　combustible a.易燃的 [combust- burn up COMBUSTION 燃烧;氧化]

　　comely a.美丽动人的 [ cumelich, cumli prob becumelich BECOME]

　　comestible n.a.食品;可以吃的 [comedere comest- eat up]

　　comity n.礼仪 [ comitas comis courteous彬彬有礼的]来源：考试大

　　commandeer v.征募(兵役等);征用 [ commander COMMAND]

　　commence v.开始;着手;得学士学位 [as COM-,  initiare INITIATE COMMENCEMENT开始;学士学位授与(日)]

　　commensurate a.同量的 [ commensuratus(COM-, MEASURE)]

　　commingle v.混合