15-Letter Words Matching ____I________S_

There are 32 15-letter words that match ____I________S_. 9 are common words, such as ACQUISITIVENESS and CARNIVOROUSNESS. A rarer one is UNCLIMBABLENESS. In this set, E is the most frequent open letter (31 words). 28 words contain a doubled letter.

Full list 32

Common words

acquisitivenesscarnivorousnessconsideratenessdistinctivenessinquisitivenessmeaninglessnessmellifluousnessmultilingualismphysiotherapistduplicitousnessfashionablenessimaginativeness
acquisitivenesscarnivorousnessconsideratenessdistinctivenessinquisitivenessmeaninglessnessmellifluousnessmultilingualismphysiotherapistduplicitousnessfashionablenessimaginativenessmultilateralismmultilateralistodoriferousnesspassionlessnesspermissiblenesspestiferousnessprecipitatenessprecipitousnessprohibitivenesspromiscuousnessserviceablenessemotionlessnessfissiparousnessfloriferousnessimplicativenessopinionatednesspharisaicalnessprecipitantnessstraitlacednessunclimbableness

About this list

Words
32 (9 common words)
Common example
acquisitiveness
Rare example
unclimbableness
Doubled letters
28
Ending in S
28
Most frequent letter
E (31)

Questions

How many 15-letter words matching ____i________s_ are there?

32. 9 of them are common words.

What is a common example?

ACQUISITIVENESS is among the common words in this set.