15-Letter Words Matching _I___S_________

There are 20 15-letter words that match _I___S_________. 6 are common words, such as DISASSOCIATIONS and DISPASSIONATELY. A rarer one is MISDISTRIBUTION. In this set, O is the most frequent open letter (17 words). 9 words contain a doubled letter.

Full list 20

disassociationsdispassionatelydisrespectfullydistastefulnessdiversificationmicroscopicallymicrosporangiummicrosporophyllvicissitudinousbiosystematistsdiffusivenessesdisposabilitieslightsomenesseslignosulfonatesmicroseismicitymicrosporocytesmicrostructuralmicrostructuresmisdescriptionsmisdistribution

About this list

Words
20 (6 common words)
Common example
disassociations
Rare example
misdistribution
Doubled letters
9
Ending in S
11
Most frequent letter
O (17)

Questions

How many 15-letter words matching _i___s_________ are there?

20. 6 of them are common words.

What is a common example?

DISASSOCIATIONS is among the common words in this set.