15-Letter Words Matching _____A_______S_

There are 20 15-letter words that match _____A_______S_. 3 are common words, such as DISGRACEFULNESS and FLIRTATIOUSNESS. A rarer one is TEMERARIOUSNESS. In this set, N is the most frequent open letter (19 words). 14 words contain a doubled letter.

Full list 20

disgracefulnessflirtatiousnessophthalmologistantinationalistefficaciousnessirreparablenessreproachfulnessantimaterialismantimaterialistantirationalismantirationalisteverlastingnessgrammaticalnessinseparablenessmountainousnesssaponaceousnessspontaneousnesssubstantialnesssubstantivenesstemerariousness

About this list

Words
20 (3 common words)
Common example
disgracefulness
Rare example
temerariousness
Doubled letters
14
Ending in S
14
Most frequent letter
N (19)

Questions

How many 15-letter words matching _____a_______s_ are there?

20. 3 of them are common words.

What is a common example?

DISGRACEFULNESS is among the common words in this set.