12-Letter Words Matching ________T_U_

There are 14 12-letter words that match ________T_U_. 2 are common words, such as INFELICITOUS and RESTAURATEUR. A rarer one is MYXEDEMATOUS. In this set, S is the most frequent open letter (12 words). 1 words contain a doubled letter.

Full list 14

infelicitousrestaurateurstrophanthusunnilpentiumunrespectfulunthoughtfulascomycetousatheromatouscomplicitouserythematousforesightfullymphomatousmycetomatousmyxedematous

About this list

Words
14 (2 common words)
Common example
infelicitous
Rare example
myxedematous
Doubled letters
1
Ending in S
9
Most frequent letter
S (12)

Questions

How many 12-letter words matching ________t_u_ are there?

14. 2 of them are common words.

What is a common example?

INFELICITOUS is among the common words in this set.