15-Letter Words Matching ____I______S___

There are 26 15-letter words that match ____I______S___. 9 are common words, such as DECEITFULNESSES and EXQUISITENESSES. A rarer one is WORRISOMENESSES. 24 words contain a doubled letter.

Full list 26

Common words

deceitfulnessesexquisitenessesinanimatenessesintuitivenessesmercilessnessesmultiprocessingmultiprocessorsprimitivenessessensitivenessesfideicommissaryglutinousnessesmillionairesses
deceitfulnessesexquisitenessesinanimatenessesintuitivenessesmercilessnessesmultiprocessingmultiprocessorsprimitivenessessensitivenessesfideicommissaryglutinousnessesmillionairessesconfidingnessesconfirmednessesdestitutenessesforgivingnessesimaginarinessesintricatenessesobstinatenessesparticularisingparticularisticproximatenessesrequisitenessesspiritualnesseswearisomenessesworrisomenesses

About this list

Words
26 (9 common words)
Common example
deceitfulnesses
Rare example
worrisomenesses
Doubled letters
24
Ending in S
22

Questions

How many 15-letter words matching ____i______s___ are there?

26. 9 of them are common words.

What is a common example?

DECEITFULNESSES is among the common words in this set.