8-Letter Words Matching ___KF___

There are 20 8-letter words that match ___KF___. 7 are common words, such as BACKFIRE and FORKFULS. A rarer one is WORKFOLK. In this set, S is the most frequent open letter (13 words). 3 words contain a doubled letter.

Full list 20

backfireforkfulsrockfallsackfulstankfulsweakfishworkfareworkflowbackfillbackflowjackfishmilkfishmonkfishrockfishtalkfestbackfitsbookfulsrackfulssuckfishworkfolk

About this list

Words
20 (7 common words)
Common example
backfire
Rare example
workfolk
Doubled letters
3
Ending in S
6
Most frequent letter
S (13)

Questions

How many 8-letter words matching ___kf___ are there?

20. 7 of them are common words.

What is a common example?

BACKFIRE is among the common words in this set.