13-Letter Words Matching ____NU_______

There are 13 13-letter words that match ____NU_______. 4 are common words, such as INGENUOUSNESS and MONONUCLEOSES. A rarer one is STRENUOSITIES. In this set, E is the most frequent open letter (12 words). 2 words contain a doubled letter.

Full list 13

ingenuousnessmononucleosesmononucleosisstrenuousnessinsinuatinglyremanufacturesternutationsagranulocytesendonucleasesmononucleatedovernutritionribonucleasesstrenuosities

About this list

Words
13 (4 common words)
Common example
ingenuousness
Rare example
strenuosities
Doubled letters
2
Ending in S
9
Most frequent letter
E (12)

Questions

How many 13-letter words matching ____nu_______ are there?

13. 4 of them are common words.

What is a common example?

INGENUOUSNESS is among the common words in this set.