15-Letter Words Matching _N_______A_____

There are 40 15-letter words that match _N_______A_____. 5 are common words, such as ANTIQUARIANISMS and INDOCTRINATIONS. A rarer one is UNIFORMITARIANS. In this set, I is the most frequent open letter (39 words). 6 words contain a doubled letter.

Full list 40

Common words

antiquarianismsindoctrinationsinterpretationsundervaluationsunsportsmanlikeincoordinationsincrementalistsineffectualnessinitializationsinterpellationsunequivocalnessanthropopathism
antiquarianismsindoctrinationsinterpretationsundervaluationsunsportsmanlikeincoordinationsincrementalistsineffectualnessinitializationsinterpellationsunequivocalnessanthropopathismanticapitalismsanticapitalistsantiderivativesantifederalistsantiliberalismsantimilitarismsantimilitaristsantiradicalismsantiseparatistsenvenomizationsincapacitationsincrementalismsindigenizationsinteranimationsintercomparisonintergradationsinterlineationsintermediationsinteroperativesinterphalangealsnippersnappersunadulteratedlyunanticipatedlyunappreciationsunderemphasizedunderemphasizesunderinflationsuniformitarians

About this list

Words
40 (5 common words)
Common example
antiquarianisms
Rare example
uniformitarians
Doubled letters
6
Ending in S
33
Most frequent letter
I (39)

Questions

How many 15-letter words matching _n_______a_____ are there?

40. 5 of them are common words.

What is a common example?

ANTIQUARIANISMS is among the common words in this set.