词根：vuls, vulse = to pluck（摘；采；拉）

  来源于拉丁语vellere(=to pluck),过去分词为vulus。

词例：


同源词：

1. avulsion  [a- = ab- = from + vuls 拉 + -ion 名词后缀 →拉开→]
  n.撕裂；扯开；裂片

2. convulse  [con- 共同，一起 + vulse 拉 → 全身一拉一拉的→]
  v.震动；痉挛；抽搐

3. convulsion  [见上，-ion 名词后缀 →]
   n.变动；动乱；痉挛；大笑

4. convulsive  [见上，-ive 形容词后缀→]
  adj.痉挛的；骚动的

5. evulsion  [e- = ex- =out + vuls 拉 + -ion 名词后缀 → 拉出来→]
  n.拔出；拔去

6. revulsion  [re- = back 回 + vuls 拉 + -ion 名词后缀→向回拉→]
  n.拉回；剧变；厌恶；诱导法

7. revulsive  [见上，-ive 形容词后缀 ]
  adj.诱导的
  n.诱导剂；诱导器具

词根词缀：carpo-, carp- (cerp-)

【来源及含义】Latin: to pluck, to pick out, to gather, to select

【相关描述】The change of Latin "a" to "e" is due to the Latin phonetic law according to which in the unaccented and closed radical syllable of the second element of compounds, original "a" becomes "e".

【同源单词】Ancestors or Latin origins of words in English, cacoethes carpendi, caco, Carpe diem, Carpe noctem, Carpent tua poma nepotes

词根词缀：carpo-, carp-, -carp, -carpic, -carpium, -carpous, -carpus (fruit)

【来源及含义】Greek: fruit [or similar reproductive result]; to cut, to pluck

【同源单词】acarpous, allocarpy, amphicarpic, apocarpous, carpel, carpogenic

词根词缀：extirp-

【来源及含义】Latin: root out, to pluck out by the stem or root

【同源单词】extirp, extirpable, extirpate, extirpated, extirpates, extirpating

词根词缀：tillo-, till-

【来源及含义】Greek: to pluck, tear, pull

【同源单词】onychotillia, onychotillomania, peotillomania, rhinotillomania, tillexis, tilmus