13-Letter Words Matching F____S_______

There are 13 13-letter words that match F____S_______. 3 are common words, such as FANTASTICALLY and FOOLISHNESSES. A rarer one is FOLKISHNESSES. In this set, I is the most frequent open letter (13 words). 10 words contain a doubled letter.

Full list 13

fantasticallyfoolishnessesfoppishnessesfaddishnessesfantasticatedfantasticatesfascisticallyfaunisticallyferrosiliconsfibrosarcomasfieldstrippedfloristicallyfolkishnesses

About this list

Words
13 (3 common words)
Common example
fantastically
Rare example
folkishnesses
Doubled letters
10
Ending in S
7
Most frequent letter
I (13)

Questions

How many 13-letter words matching f____s_______ are there?

13. 3 of them are common words.

What is a common example?

FANTASTICALLY is among the common words in this set.