11-Letter Words Matching ____FE_____

There are 30 11-letter words that match ____FE_____. 13 are common words, such as INEFFECTIVE and INEFFECTUAL. A rarer one is YOKEFELLOWS. In this set, I is the most frequent open letter (27 words). 12 words contain a doubled letter.

Full list 30

Common words

ineffectiveineffectualinoffensivemanifestingmanifestoesoverfeedingplayfellowsreinfectingreinfectionstiffeningsunoffensivevociferated
ineffectiveineffectualinoffensivemanifestingmanifestoesoverfeedingplayfellowsreinfectingreinfectionstiffeningsunoffensivevociferatedvociferatesantifebrileunoffendingvociferancevociferatorcodefendantcoinferringforefeelingforefendingluciferasesmanifestantmanifestersmanifestoedoverfearingredefeatingredefectingunaffectingyokefellows

About this list

Words
30 (13 common words)
Common example
ineffective
Rare example
yokefellows
Doubled letters
12
Ending in S
7
Most frequent letter
I (27)

Questions

How many 11-letter words matching ____fe_____ are there?

30. 13 of them are common words.

What is a common example?

INEFFECTIVE is among the common words in this set.