11-Letter Words Matching F_____U____

There are 13 11-letter words that match F_____U____. 3 are common words, such as FOULMOUTHED and FRANKFURTER. A rarer one is FUNAMBULISM. 5 words contain a doubled letter.

Full list 13

foulmouthedfrankfurterfrontrunnerfourflusherfrotteurismfunambulistfantabulousfasciculatefloribundasfootfaultedfruitfullerfullmouthedfunambulism

About this list

Words
13 (3 common words)
Common example
foulmouthed
Rare example
funambulism
Doubled letters
5
Ending in S
2

Questions

How many 11-letter words matching f_____u____ are there?

13. 3 of them are common words.

What is a common example?

FOULMOUTHED is among the common words in this set.