Nouns Starting with EFF and Containing O

Browse 13 valid English nouns starting with EFF and containing O, from Effort, Effusion, Effrontery, Effector, Effortlessness, Efflorescence and Effectuation to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review pluralization and capitalization rules.

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Starts with EFFE3 words
effector
effectuation
effectuator
Starts with EFFI2 words
efficaciousness
effiguration
Starts with EFFL2 words
efflorescence
effluxion
Starts with EFFO3 words
effort
effortlessness
effortfulness
Starts with EFFR1 words
effrontery
Starts with EFFU2 words
effusion
effusiometer

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