词根词缀：-ance, -ancy

【来源及含义】Latin: often through French, quality or state of; being; condition; act or fact of _______ ing; a suffix that forms nouns

【同源单词】aberrance, absorbance, absorptance, abundance, acceptance, accordance

词根词缀：vigi-, vig-

【来源及含义】Latin: watchful, wakeful, alert

【同源单词】electronic article surveillance, electronic surveillance, Estot vigilans, invigilate, invigilation, reveille