13-Letter Words Matching F_______S____

There are 13 13-letter words that match F_______S____. 7 are common words, such as FACETIOUSNESS and FAITHLESSNESS. A rarer one is FORESTAYSAILS. 12 words contain a doubled letter.

Full list 13

facetiousnessfaithlessnessfaultlessnessferociousnessfractiousnessfrivolousnessfruitlessnessfugaciousnessfeloniousnessfencelessnessfiberglassingfollowershipsforestaysails

About this list

Words
13 (7 common words)
Common example
facetiousness
Rare example
forestaysails
Doubled letters
12
Ending in S
12

Questions

How many 13-letter words matching f_______s____ are there?

13. 7 of them are common words.

What is a common example?

FACETIOUSNESS is among the common words in this set.