15-Letter Words Matching ____IS_________

There are 24 15-letter words that match ____IS_________. 7 are common words, such as ACQUISITIVENESS and EXQUISITENESSES. A rarer one is WORRISOMENESSES. 14 words contain a doubled letter.

Full list 24

acquisitivenessexquisitenessesinquisitivenessnondisciplinarypredispositionsprehistoricallysophisticationscharismaticallycommissionairesinquisitoriallypermissiblenesspromiscuousnesssophisticatedlycommiseratinglymaldistributionmisdistributionnondisjunctionspantisocraticalpantisocratistspharisaicalnessrepristinationsrequisitenesseswearisomenessesworrisomenesses

About this list

Words
24 (7 common words)
Common example
acquisitiveness
Rare example
worrisomenesses
Doubled letters
14
Ending in S
15

Questions

How many 15-letter words matching ____is_________ are there?

24. 7 of them are common words.

What is a common example?

ACQUISITIVENESS is among the common words in this set.