15-Letter Words Matching _____S_______S_

There are 22 15-letter words that match _____S_______S_. 8 are common words, such as ACQUISITIVENESS and DEFENSELESSNESS. A rarer one is SUPERSPECIALIST. 21 words contain a doubled letter.

Full list 22

acquisitivenessdefenselessnessdistastefulnessinquisitivenessprofessionalismremorselessnesstempestuousnessunconsciousnessecclesiasticismfantasticalnessinsensitivenesspermissiblenessplainspokennesspromiscuousnesspurposelessnessrumbustiousnessconfessionalismconfessionalistexhaustlessnessnecessitousnesspharisaicalnesssuperspecialist

About this list

Words
22 (8 common words)
Common example
acquisitiveness
Rare example
superspecialist
Doubled letters
21
Ending in S
17

Questions

How many 15-letter words matching _____s_______s_ are there?

22. 8 of them are common words.

What is a common example?

ACQUISITIVENESS is among the common words in this set.