12-Letter Words Matching _____E_F____

There are 12 12-letter words that match _____E_F____. 6 are common words, such as AFTEREFFECTS and CHESTERFIELD. A rarer one is SEMIDEIFYING. 2 words contain a doubled letter.

Full list 12

aftereffectschesterfieldchickenfeedscounterfeitscounterfoilsquarterfinalcounterforcecockneyfyingcounterfiredcounterfirescounterflowssemideifying

About this list

Words
12 (6 common words)
Common example
aftereffects
Rare example
semideifying
Doubled letters
2
Ending in S
6

Questions

How many 12-letter words matching _____e_f____ are there?

12. 6 of them are common words.

What is a common example?

AFTEREFFECTS is among the common words in this set.