12-Letter Words Matching ____T___U___

There are 22 12-letter words that match ____T___U___. 10 are common words, such as BOISTEROUSLY and BRONTOSAURUS. A rarer one is ROISTEROUSLY. 6 words contain a doubled letter.

Full list 22

boisterouslybrontosauruselectrocutedelectrocutesgluttonouslymonotonouslyreintroducedreintroducesscuttlebuttstraitorouslyunattributedcounterpunchsleuthhoundsstertorouslyadulterouslycountersuingcountersuitsgelatinouslyhypothenusesreattributedreattributesroisterously

About this list

Words
22 (10 common words)
Common example
boisterously
Rare example
roisterously
Doubled letters
6
Ending in S
8

Questions

How many 12-letter words matching ____t___u___ are there?

22. 10 of them are common words.

What is a common example?

BOISTEROUSLY is among the common words in this set.