11-Letter Words Matching _____U____T

There are 12 11-letter words that match _____U____T. 6 are common words, such as CAREFULLEST and PAINFULLEST. A rarer one is UNRELUCTANT. In this set, E is the most frequent open letter (12 words). 8 words contain a doubled letter.

Full list 12

carefullestpainfullestprofoundestrestfullestthoroughesttranquilestautosuggestdolefullestfearfullestpitifullestrambouilletunreluctant

About this list

Words
12 (6 common words)
Common example
carefullest
Rare example
unreluctant
Doubled letters
8
Ending in S
0
Most frequent letter
E (12)

Questions

How many 11-letter words matching _____u____t are there?

12. 6 of them are common words.

What is a common example?

CAREFULLEST is among the common words in this set.