词根词缀：fluct-, flucti-, -flux, flu-, flum-, -fluent, -fluence

【来源及含义】Latin: flow, flowing; moving in a continuous and smooth way; wave, moving back and forth

【同源单词】activated-sludge process, affluence, affluent, affluents, afflux, affluxion

词根词缀：popu-

【来源及含义】Latin: people

【相关词根词缀】Related "people, human" word units: anthropo-; demo-; ethno-; ochlo-; publi-.

【同源单词】ad populum, argumentum ad populum, aura popularis, depopulate, depopulated, depopulation