10-Letter Words Matching F_______U_

There are 14 10-letter words that match F_______U_. 6 are common words, such as FACTITIOUS and FALLACIOUS. A rarer one is FORAMINOUS. In this set, I is the most frequent open letter (13 words). 1 words contain a doubled letter.

Full list 14

factitiousfallaciousfastidiousfelicitousfictitiousfortuitousfasciculusfeathercutfetiparousflagitiousfoliaceousfuliginousfumatoriumforaminous

About this list

Words
14 (6 common words)
Common example
factitious
Rare example
foraminous
Doubled letters
1
Ending in S
12
Most frequent letter
I (13)

Questions

How many 10-letter words matching f_______u_ are there?

14. 6 of them are common words.

What is a common example?

FACTITIOUS is among the common words in this set.