9-Letter Words Matching __C_F____

There are 21 9-letter words that match __C_F____. 11 are common words, such as ARCHFIEND and BACKFIELD. A rarer one is UNCUFFING. In this set, I is the most frequent open letter (16 words). 5 words contain a doubled letter.

Full list 21

archfiendbackfieldbackfiredbackfirescockfightpacifierspacifismspacifistspacifyingrockfallstactfullybackflowsjackfruitluciferinpicofaradbackfillslocofocosmycofloraunciformsuncoffinsuncuffing

About this list

Words
21 (11 common words)
Common example
archfiend
Rare example
uncuffing
Doubled letters
5
Ending in S
10
Most frequent letter
I (16)

Questions

How many 9-letter words matching __c_f____ are there?

21. 11 of them are common words.

What is a common example?

ARCHFIEND is among the common words in this set.