13-Letter Words Matching N__________U_

There are 13 13-letter words that match N__________U_. 3 are common words, such as NONCONTAGIOUS and NONCONTINUOUS. A rarer one is NONNUTRITIOUS. In this set, O is the most frequent open letter (13 words). 1 words contain a doubled letter.

Full list 13

noncontagiousnoncontinuousnoninfectiousnickeliferousnoncontiguousnonhomologousnonautonomousnongregariousnonindigenousnonleguminousnonmeaningfulnonmonogamousnonnutritious

About this list

Words
13 (3 common words)
Common example
noncontagious
Rare example
nonnutritious
Doubled letters
1
Ending in S
12
Most frequent letter
O (13)

Questions

How many 13-letter words matching n__________u_ are there?

13. 3 of them are common words.

What is a common example?

NONCONTAGIOUS is among the common words in this set.