15-Letter Words Matching ____NT_________

There are 40 15-letter words that match ____NT_________. 20 are common words, such as ADVENTUROUSNESS and ATTENTIVENESSES. A rarer one is VOLUNTARINESSES. In this set, I is the most frequent open letter (37 words). 13 words contain a doubled letter.

Full list 40

Common words

adventurousnessattentivenessesdecontaminatingdecontaminationdisentanglementdisintegrationsdisinterestedlyinventivenessesmisinterpretingmomentarinessesmomentousnessesnonintellectual
adventurousnessattentivenessesdecontaminatingdecontaminationdisentanglementdisintegrationsdisinterestedlyinventivenessesmisinterpretingmomentarinessesmomentousnessesnonintellectualnoninterferencenoninterventionnonintoxicatingparentheticallyrecontaminatingresentfulnessesretentivenessesuncontroversialessentialnessesincentivizationnonintersectingplaintivenessesprointerventionrecontaminationdecontaminatorsdisintoxicatingdisintoxicationinfantilizationnonantagonisticnonintercoursesnonintimidatingorientationallypatentabilitiespreinterviewingrecontextualizeredintegrationsromanticizationvoluntarinesses

About this list

Words
40 (20 common words)
Common example
adventurousness
Rare example
voluntarinesses
Doubled letters
13
Ending in S
15
Most frequent letter
I (37)

Questions

How many 15-letter words matching ____nt_________ are there?

40. 20 of them are common words.

What is a common example?

ADVENTUROUSNESS is among the common words in this set.