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12-Letter Words That Start With: EFFI

There are 3 12-letter words, 0 12-letter phrases and 0 12-letter abbr's that start with EFFI.

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Expand?WordSave?LengthUsagePointsType
efficacities12
22 nounn
Valid word for Scrabble US
efficiencies12
22 nounn
noun

• the ratio of the output to the input of any system

• skillfulness in avoiding wasted time and effort

Tip: Scrabble EU allows far more words than US! Also change the max length to see more words.

All 12 Letter Words

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