11 Letter Words Starting with EFF

Browse 8 verified English 11 letter words that start with EFF, including Efficacious, Effectivity, Effectuator, Effectively, Efficiently, Effectually and Effortfully. Validated against official game lexicons for Scrabble, Wordle, crosswords, and daily writing, explore definitions and letter counts below.

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Starts with EFFE4 words
effectively
effectually
effectivity
effectuator
Starts with EFFI2 words
efficiently
efficacious
Starts with EFFO1 words
effortfully
Starts with EFFU1 words
effulgently

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