11-Letter Words Matching F________U_

There are 15 11-letter words that match F________U_. 3 are common words, such as FARINACEOUS and FILAMENTOUS. A rarer one is FRICANDEAUX. In this set, I is the most frequent open letter (14 words). 4 words contain a doubled letter.

Full list 15

farinaceousfilamentousflirtatiousfarraginousferriferousferruginousfissiparousflorilegiumfricandeausfrigidariumfrugivorousfantabulousfibromatousfloriferousfricandeaux

About this list

Words
15 (3 common words)
Common example
farinaceous
Rare example
fricandeaux
Doubled letters
4
Ending in S
12
Most frequent letter
I (14)

Questions

How many 11-letter words matching f________u_ are there?

15. 3 of them are common words.

What is a common example?

FARINACEOUS is among the common words in this set.