15-Letter Words Matching ________N____S_

There are 15 15-letter words that match ________N____S_. 1 are common words, such as INSTRUMENTALIST and ANTICOLONIALISM. A rarer one is UNCONCERNEDNESS. In this set, I is the most frequent open letter (14 words). 3 words contain a doubled letter.

Full list 15

instrumentalistanticolonialismdepartmentalismentrepreneurismexperimentalismexperimentalistinstrumentalismanticolonialistantiromanticismexceptionalnessgentlemanlinessgovernmentalismgovernmentalistsemicolonialismunconcernedness

About this list

Words
15 (1 common words)
Common example
instrumentalist
Rare example
unconcernedness
Doubled letters
3
Ending in S
3
Most frequent letter
I (14)

Questions

How many 15-letter words matching ________n____s_ are there?

15. 1 of them are common words.

What is a common example?

INSTRUMENTALIST is among the common words in this set.