15-Letter Words Matching _____H___N_____

There are 12 15-letter words that match _____H___N_____. 4 are common words, such as AMORPHOUSNESSES and HEALTHFULNESSES. A rarer one is SUPERHUMANITIES. In this set, S is the most frequent open letter (11 words). 8 words contain a doubled letter.

Full list 12

amorphousnesseshealthfulnessessprightlinessesunsightlinessesanticholinergicautochthonouslybenightednesseschincherincheescrotchetinessesdelightednessesprosthodontistssuperhumanities

About this list

Words
12 (4 common words)
Common example
amorphousnesses
Rare example
superhumanities
Doubled letters
8
Ending in S
10
Most frequent letter
S (11)

Questions

How many 15-letter words matching _____h___n_____ are there?

12. 4 of them are common words.

What is a common example?

AMORPHOUSNESSES is among the common words in this set.