fluct-, flucti-, -flux, flu- (Latin: flow, wave).affluence: 
affluent: 
afflux: 
circumfluent: 
confluence: 
confluent: 
conflux: 
effluence: 
effluent: 
effluvium: 
efflux: 
fluctuate: 
fluctuation: 
flue: 
fluency: 
fluent: 
fluently: 
fluid: 
fluidic: 
fluidics: 
fluidity: 
fluidity: 
fluidize: 
fluidness: 
flume: 
flush: 
fluvial: 
fluvioglacial: 
fluviology: 
flux: 
fluxion: 
influence: 
influent: 
influenza: 
influx: 
mellifluous: 
millifluent: 
reflux: 
superfluity: 
superfluous: 
 |