词根：cor, cord(cour) = heart 心

  来源于拉丁名词cor属格（即所有格）形式 cordis词干部分，意为等于英语基本词hear 心，同义词根为来源于希腊语的card。另有词根cour,cor 为 cord  的变体。

同源词：

1. accord [心在近处ac<ad(=to, near) + cord(=heart)]
  vi. with + sb 一致，调和
  n. 一致，调和；协议，协定
  accordance  n. 一致，调和
  accordant  adj. 一致的，和谐的
  The union reached an accord with managernent at 4：30 this aftemoon. 工会于今天下午4点30分和管理层达成了协议。

2. concord [心一致con<com(=with)+cord(=heart)l
  n. 一致；和谐
  concordance  n. 一致；和谐；用语索引
  concordat  n. 协定，协约
  concordant  adj. 一致的；和谐的
  The marital rift was short lasting,ending in concord. 婚姻生活的不和谐持续了一小段时间，但最终还是归于和睦。

3. cordial [出自内心的cord(=heart)]
  adj. 衷心的，诚恳的
  n. 甘露酒
  cordiality  n. 热诚，诚挚
  cordiaily  adv. 热诚地，诚挚地
  We received a cordial welcome when we arrived at my uncle's home.  当我们到叔叔家时，受到了热烈的欢迎。

4. discordant [心分开的dis(=apart) + cord(=heart)]
  adj. 不和的；不一致的;（声音）不和谐的；刺耳的
  discord  v. 不一致；不和；（几）不和；纷争
  discordance/discordancy  n. 不调和；不一致
  A number of discordant views were vigorously expressed at the meeting. 会上人们踊跃地提出了很多不同的意见。

5. core
  n. 核心；重要部分，中心部分；果核，果心
  v. 挖去…的果核
  Core English 核心英语
  to the core  彻底
  corean apple 挖出苹果的核

6. courage
  n. 勇气，胆量  *cour<cor(=heart)
  Dutch couragec  酒后之秀；一时的虚勇

7. courageous
  adj. 英勇的，勇敢的 *cour<cor(=heart)
 

8. discourage
  n. 使丧失勇气，使沮丧；使打消念头；阻碍  *dis(=away)
  discouragement  n. 阻碍：灰心

9. encore
  n. 请求再演 v. 要求再演（法国喊“bis"） *en（=intensrve）
  get an encore  被要求再演
  encore the pianist 要求那位钢琴演奏家再表演一曲
  encore hours （应观众要求的）重播时间

10. encourage
  v. 激励，鼓舞；促进 *en(=make)
  encouragement  n. 激励，鼓励；促进

11. record
  n. 记录；履历；唱片；（比赛等的）最高纪录  v. 已录；录音 *r(=again)
  off the record  adj. 非正式的；不得发表的
  good record  好的记录
  record-breaking  打破纪录的

12. recorder
  n. 记录员;记录器，录音机，录像机
  tape recorder  录音机
  video tape recorder 磁带录像机

13. recording
  adj. 记录的  n. 录音，录像 *re(=again)

14. obcordate [ob- = reversed 倒转的；cord = hear 心；-ate adj. = having 有...性质的 --->]
  adj. having the shape like a reversed heart 倒心形的
  an obcordate leaf 倒心形的叶片

词根词缀：-ard, -art

【来源及含义】a suffix which forms nouns that refer to people who regularly engage in some activity, or who are characterized in a certain way, as indicated by the stem or root of the word; originally, which appeared in Middle English in words from Old French where it expressed an intensive degree or with a pejorative or disparaging application

【同源单词】braggard, coward, drunkard, wizard

词根词缀：brachyo-, brachy-, -brachy, -brach

【来源及含义】Greek: short, shortness, small [also expressed as "slow"]

【相关描述】Used in the sense of "abnormally small, short".

【同源单词】amphibrach, brachycardia, brachycephalic, brachycephalous, brachycephaly, brachydactyl

词根词缀：de-

【来源及含义】Latin: from, away from, off; down; wholly, entirely, utterly, complete; reverse the action of, undo; the negation or reversal of the notion expressed in the primary or root word

【同源单词】de die in diem, de facto, De gustibus non est disputandum, de jure, De minimis non curat praetor, De mortuis nihil nisi bonum

词根词缀：-farious

【来源及含义】Latin: to speak; utterance, expression, manifestation; expressed in a number of ways

【相关词根词缀】Cross references of word families related directly, or indirectly, to: "talk, speak, speech; words, language; tongue, etc.": cit-; clam-; dic-; fa-; glosso-; glotto-; lalo-; linguo-; locu-; logo-; loqu-; mythico-; -ology; ora-; -phasia; -phemia; phon-; phras-; Quotes: Language,Part 1; Quotes: Language, Part 2; Quotes: Language, Part 3; serm-; tongue; voc-.

【同源单词】bifarious, bifariously, multifarious, multifariously, nefarious, nefariously

词根词缀：-ic

【来源及含义】Greek: a suffix; pertaining to; of the nature of, like; in chemistry, it denotes a higher valence of the element than is expressed by -ous

【同源单词】abdominocystic, abdominopelvic, abdominoscopy, abdominothoracic, abiogenetic, abiogenic

词根词缀：-itis

【来源及含义】Greek: a suffix; inflammation, burning sensation; by extension, disease associated with inflammation

【相关描述】This suffix has come to mean "inflammation of" but originally it meant "pertaining to" or "of the". The Greek word nosos ["disease"] was either expressed or understood, although it might not be included with the basic element. For example, bursitis nosos would mean "disease of the bursa".

【同源单词】actilnoneuritis, adenitis, adrenalitis, allergyrhinitis, angioitis, angiopancreatitis

词根词缀：opaqu-

【来源及含义】Latin: not transparent nor translucent, not clear, unable to shine through; shaded, shady; dark; no luster; not clearly understood or expressed

【同源单词】electron opaque tracer, Isopaque, nonopaque, opacity, opaque projector, opaque