12-Letter Words Matching ___O___U____

There are 13 12-letter words that match ___O___U____. 5 are common words, such as AUTOIMMUNITY and INCONCLUSIVE. A rarer one is UNCONFOUNDED. In this set, N is the most frequent open letter (11 words). 3 words contain a doubled letter.

Full list 13

autoimmunityinconclusivemalocclusionmonologuistsuncompoundedhomosexuallyincongruencescrobiculatechloroquineshemodilutionrecontouringseropurulentunconfounded

About this list

Words
13 (5 common words)
Common example
autoimmunity
Rare example
unconfounded
Doubled letters
3
Ending in S
2
Most frequent letter
N (11)

Questions

How many 12-letter words matching ___o___u____ are there?

13. 5 of them are common words.

What is a common example?

AUTOIMMUNITY is among the common words in this set.