12-Letter Words Starting With EF

There are 16 12-letter words that start with EF. 11 are common words, such as EFFECTUATING and EFFEMINACIES. A rarer one is EFFICACITIES. 16 words contain a doubled letter.

Full list 16

effectuatingeffeminacieseffeminatelyeffervescenteffervescingeffetenessesefficienciesefflorescenteffortlesslyeffronterieseffusivenesseffectualityeffectuationeffeminizingefflorescingefficacities

About this list

Words
16 (11 common words)
Common example
effectuating
Rare example
efficacities
Doubled letters
16
Ending in S
6

Questions

How many 12-letter words starting with ef are there?

16. 11 of them are common words.

What is a common example?

EFFECTUATING is among the common words in this set.