7-Letter Words Matching __F_S__

There are 14 7-letter words that match __F_S__. 11 are common words, such as DEFUSED and DEFUSES. A rarer one is UNFUSED. 3 words contain a doubled letter.

Full list 14

defuseddefuseseffusedeffusesinfestsinfusedinfuserinfusesrefusalrefusedrefusesunfussyrefuserunfused

About this list

Words
14 (11 common words)
Common example
defused
Rare example
unfused
Doubled letters
3
Ending in S
5

Questions

How many 7-letter words matching __f_s__ are there?

14. 11 of them are common words.

What is a common example?

DEFUSED is among the common words in this set.