Countable Nouns That Start with EFF
Browse 32 English countable nouns starting with the prefix EFF, including Effect, Effective, Effects, Effort, Efficiency, Efficacy and Effigy. Sort these count nouns with singular and plural forms by letter count for ESL grammar practice, determiner usage, and plural spelling, or consult our noun grammar guide.
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Starts with EFF
1 words eff
Starts with EFFA
2 words effacement
effacer
Starts with EFFE
12 words effect
effective
effects
effervescence
effector
effectivity
effendi
efferent
effectuation
effer
effectuator
effeir
Starts with EFFI
5 words efficiency
efficacy
effigy
efficacity
effiguration
Starts with EFFL
7 words effluent
efflorescence
effluvium
effluence
efflux
effluxion
effleurage
Starts with EFFO
1 words effort
Starts with EFFR
2 words effrontery
effray
Starts with EFFU
2 words effusion
effusiometer