15-Letter Words Matching _______N_____S_

There are 17 15-letter words that match _______N_____S_. 5 are common words, such as ENDOCRINOLOGIST and INTERVENTIONISM. A rarer one is SYNCHRONOUSNESS. 7 words contain a doubled letter.

Full list 17

endocrinologistinterventionisminterventionistmultilingualismunderhandednessbiotechnologistbroadmindednessdeterminatenessexperientialismgeochronologisthydrodynamicistimportunatenessmountainousnessphenomenologistroentgenologistsubordinatenesssynchronousness

About this list

Words
17 (5 common words)
Common example
endocrinologist
Rare example
synchronousness
Doubled letters
7
Ending in S
7

Questions

How many 15-letter words matching _______n_____s_ are there?

17. 5 of them are common words.

What is a common example?

ENDOCRINOLOGIST is among the common words in this set.