12-Letter Words Matching N_____U_____

There are 20 12-letter words that match N_____U_____. 5 are common words, such as NAUSEOUSNESS and NEBULOUSNESS. A rarer one is NUMINOUSNESS. In this set, O is the most frequent open letter (20 words). 7 words contain a doubled letter.

Full list 20

nauseousnessnebulousnessneurosurgeonneurosurgerynonrecurringnoninductivenonoccurencenonrecurrentnumerousnessneurohumoralnonargumentsnondeductivenonincumbentnoninsurancenonintuitivenonredundantnonregulatednonsolutionsnonvoluntarynuminousness

About this list

Words
20 (5 common words)
Common example
nauseousness
Rare example
numinousness
Doubled letters
7
Ending in S
6
Most frequent letter
O (20)

Questions

How many 12-letter words matching n_____u_____ are there?

20. 5 of them are common words.

What is a common example?

NAUSEOUSNESS is among the common words in this set.