13-Letter Words Matching ____U__I_____

There are 21 13-letter words that match ____U__I_____. 6 are common words, such as CIRCUMCISIONS and DISQUALIFYING. A rarer one is SEXTUPLICATES. In this set, S is the most frequent open letter (17 words). 7 words contain a doubled letter.

Full list 21

circumcisionsdisqualifyingdisquisitionsmalnutritionspercussionistpronunciationformulaicallynonsubmissiverumbustiouslycircumcirclesconvulsionarycorruptionistdisfurnishingmolluscicidalmolluscicidesnoncultivatednonnutritiousnonsubsidizedprequalifyingsextuplicatedsextuplicates

About this list

Words
21 (6 common words)
Common example
circumcisions
Rare example
sextuplicates
Doubled letters
7
Ending in S
7
Most frequent letter
S (17)

Questions

How many 13-letter words matching ____u__i_____ are there?

21. 6 of them are common words.

What is a common example?

CIRCUMCISIONS is among the common words in this set.