11-Letter Words Matching ____T____U_

There are 26 11-letter words that match ____T____U_. 10 are common words, such as ARBITRAGEUR and DELETERIOUS. A rarer one is TRISTIMULUS. In this set, I is the most frequent open letter (20 words). 1 words contain a doubled letter.

Full list 26

Common words

arbitrageurdeleteriouseinsteiniumflirtatiousmeritoriousmountainousprestigiouspunctiliousrepetitiousspontaneousclostridiumcrustaceous
arbitrageurdeleteriouseinsteiniumflirtatiousmeritoriousmountainousprestigiouspunctiliousrepetitiousspontaneousclostridiumcrustaceousendotheciumendotheliumgametangiummesotheliummesothoriumperitheciumpositroniumprestigefulsapotaceoustristichouscountercoupplattersfulproctodaeumtristimulus

About this list

Words
26 (10 common words)
Common example
arbitrageur
Rare example
tristimulus
Doubled letters
1
Ending in S
12
Most frequent letter
I (20)

Questions

How many 11-letter words matching ____t____u_ are there?

26. 10 of them are common words.

What is a common example?

ARBITRAGEUR is among the common words in this set.