12-Letter Words Matching F_____R_____

There are 21 12-letter words that match F_____R_____. 7 are common words, such as FENESTRATION and FLABBERGASTS. A rarer one is FLEXOGRAPHIC. In this set, E is the most frequent open letter (19 words). 8 words contain a doubled letter.

Full list 21

fenestrationflabbergastsflameproofedflatteringlyfoolhardiestforbearancesfurtherancesfeatherbrainfeatherlightflavoproteinflickeringlyflittermouseflutterboardfolkloristicfootsorenessfrogmarchingfeatheredgedfeatheredgesfeatherheadsflameprooferflexographic

About this list

Words
21 (7 common words)
Common example
fenestration
Rare example
flexographic
Doubled letters
8
Ending in S
6
Most frequent letter
E (19)

Questions

How many 12-letter words matching f_____r_____ are there?

21. 7 of them are common words.

What is a common example?

FENESTRATION is among the common words in this set.