15-Letter Words Matching _N__________N__

There are 17 15-letter words that match _N__________N__. 4 are common words, such as ANTIDEPRESSANTS and ANTIPERSPIRANTS. A rarer one is INVESTIGATIONAL. In this set, T is the most frequent open letter (17 words). 3 words contain a doubled letter.

Full list 17

antidepressantsantiperspirantsinterdependenceunderstatementsinterdependencyinterrogationalanticonvulsantsantieducationalantiferromagnetantimanagementsantitraditionalenterogastronesinterdivisionalinterelectronicintertwinementsintrospectionalinvestigational

About this list

Words
17 (4 common words)
Common example
antidepressants
Rare example
investigational
Doubled letters
3
Ending in S
7
Most frequent letter
T (17)

Questions

How many 15-letter words matching _n__________n__ are there?

17. 4 of them are common words.

What is a common example?

ANTIDEPRESSANTS is among the common words in this set.