10-Letter Words Matching F____F____

There are 15 10-letter words that match F____F____. 9 are common words, such as FAITHFULLY and FALSIFIERS. A rarer one is FRANKFURTS. In this set, I is the most frequent open letter (13 words). 6 words contain a doubled letter.

Full list 15

faithfullyfalsifiersfalsifyingfancifullyfiberfillsforcefullyfortifiersfortifyingfruitfullyfebrifugalfebrifugesfieldfaresfancifyingfibrefillsfrankfurts

About this list

Words
15 (9 common words)
Common example
faithfully
Rare example
frankfurts
Doubled letters
6
Ending in S
7
Most frequent letter
I (13)

Questions

How many 10-letter words matching f____f____ are there?

15. 9 of them are common words.

What is a common example?

FAITHFULLY is among the common words in this set.