15-Letter Words Matching ___N_I_________

There are 22 15-letter words that match ___N_I_________. 5 are common words, such as BOUNTIFULNESSES and GRANDILOQUENCES. A rarer one is UNINHIBITEDNESS. In this set, S is the most frequent open letter (20 words). 10 words contain a doubled letter.

Full list 22

bountifulnessesgrandiloquencesidentificationsquantificationstransistorizingadenoidectomiesconnoisseurshipgrandiloquentlyidenticalnessesplentifulnessestransilluminatecouncillorshipsdownrightnessesemancipationistenantiomorphismenantiomorphousgrandiosenessesreinvigorationsscintillometerstransistorisingunanticipatedlyuninhibitedness

About this list

Words
22 (5 common words)
Common example
bountifulnesses
Rare example
uninhibitedness
Doubled letters
10
Ending in S
14
Most frequent letter
S (20)

Questions

How many 15-letter words matching ___n_i_________ are there?

22. 5 of them are common words.

What is a common example?

BOUNTIFULNESSES is among the common words in this set.