10-Letter Words Matching F___F_____

There are 18 10-letter words that match F___F_____. 8 are common words, such as FIREFIGHTS and FISTFIGHTS. A rarer one is FROGFISHES. In this set, E is the most frequent open letter (16 words). 7 words contain a doubled letter.

Full list 18

firefightsfistfightsflatfishesflatfootedfluffinessforefatherforefingerforefrontsfoamflowerfallfishesfearfullerfeoffmentsfilefishesfirefangedfoolfishesfootfaultsforefendedfrogfishes

About this list

Words
18 (8 common words)
Common example
firefights
Rare example
frogfishes
Doubled letters
7
Ending in S
11
Most frequent letter
E (16)

Questions

How many 10-letter words matching f___f_____ are there?

18. 8 of them are common words.

What is a common example?

FIREFIGHTS is among the common words in this set.