词根词缀：ag-, agen-, act-, agi-, agit-

【来源及含义】Latin: to set in motion, to hurry, to shake; to drive; to do, to act; to lead, to conduct, to guide

【同源单词】Ab actu ad posse valet illatio, Ab agendo, act, acta, Acta est fabula, acta sanctorum

词根词缀：chemo-, chem-, chemico-, chemi-, -chemist, -chemic, -chemical

【来源及含义】Arabic > Greek > Latin: the art of combining base metals [to make gold]; from Greek, chemia, “Egypt”, supposedly where the art of changing metals into gold existed

【同源单词】agrichemistry, agrochemical, alchemist, alchemy, allelochemics, allochemic

词根词缀：coagulo-, coagul-

【来源及含义】Latin: to curdle; from a verb meaning "to bring together"

【同源单词】anticoagulant, chemocoagulation, coagulant, coagulate, coagulopathy, electrocoagulation