12-Letter Words Matching __U____L____

There are 18 12-letter words that match __U____L____. 10 are common words, such as DOUBTFULLEST and DOUBTFULNESS. A rarer one is TOURBILLIONS. 17 words contain a doubled letter.

Full list 18

doubtfullestdoubtfulnessfruitfulnesshouseholdersmournfulnesssquirrellingtrustfulnesstruthfulnessvaudevillianyouthfulnessslumgullionsaquarellistscounsellingsequipollenceequipollentsfruitfullestmournfullesttourbillions

About this list

Words
18 (10 common words)
Common example
doubtfullest
Rare example
tourbillions
Doubled letters
17
Ending in S
12

Questions

How many 12-letter words matching __u____l____ are there?

18. 10 of them are common words.

What is a common example?

DOUBTFULLEST is among the common words in this set.