Countable Nouns Starting with EF and Containing FF

Explore 32 verified English countable nouns starting with EF and containing FF, including Effect, Effective, Effects, Effort, Efficiency, Efficacy and Effigy. Browse these count nouns with singular and plural forms below, or review singular and plural count rules in our noun grammar guide.

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Starts with EFF
24 words
effect
effective
effects
effort
efficiency
efficacy
effigy
eff
effluent
effusion
effervescence
effrontery
effacement
effector
effectivity
efflorescence
effendi
efferent
effluvium
effluence
efflux
effectuation
effer
efficacity

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