词根：vuls, vult = pluck, tear, 表示”收缩, 撕开“
convulse v. 使震动，使抽出（con一起+vuls+e→收缩到一起→抽搐）
convulsion n. 抽搐，突然发作（con+vuls+ion）
convulsive a. 震动的；产生惊厥的（con+vuls+ivs）
revulse v. 使…极其厌恶（re反+vuls+e→反收缩→收缩回去→对…厌恶）
revulsion n. （感情）剧变，厌恶
vulture n. 秃鹫；贪的无厌者（vult+ute→把[猎物]撕开者→秃鹫）
vulturine a. 贪得无厌的（vulture秃鹫+ine→秃鹫般得无厌的）
词根词缀：nomad-
【来源及含义】Greek, nomas, nomados, "pasturing, roaming about for pasture" > Latin , nomas, nomdis: wander, moving around for pasture or grazing for herds or flocks
【相关描述】Closely related to nomo-, "a pasture" or "a place for grazing".
【同源单词】nomad, nomadic, nomadical, nomadically, nomadism, nomadize
词根词缀：stingu-, -stingu, stinct-, -stinct
【来源及含义】Latin: from -stingere and -stinguere, to separate; to quench, quenching; to wipe out, to obliterate; to goad, to stick; sticking, puncturing, probing
【同源单词】contradistinction, contradistinctive, contradistinctively, contradistinguish, differentiate, distinct
词根词缀：vultur-, voltur-
【来源及含义】Latin: the tearing (bird), to tear
【相关描述】Directly related to the vuls- or "pull, tear" family.