14-Letter Words Matching ____IS________

There are 28 14-letter words that match ____IS________. 8 are common words, such as COMMISERATIONS and NONDISCLOSURES. A rarer one is TACHISTOSCOPIC. In this set, I is the most frequent open letter (25 words). 7 words contain a doubled letter.

Full list 28

Common words

commiserationsnondisclosurespermissivenesspredispositionrequisitioningsophisticatingsophisticationsubmissivenesschemisorptionscommissionairedismissivenessinquisitionist
commiserationsnondisclosurespermissivenesspredispositionrequisitioningsophisticatingsophisticationsubmissivenesschemisorptionscommissionairedismissivenessinquisitionistnondisjunctionnondistinctivepermissibilityprodisarmamentprovisionalitytachistoscopesnonfissionablepantisocraciespantisocratistpredischargingprediscoveriesrepristinatingrepristinationsubdisciplinessubdistrictingtachistoscopic

About this list

Words
28 (8 common words)
Common example
commiserations
Rare example
tachistoscopic
Doubled letters
7
Ending in S
10
Most frequent letter
I (25)

Questions

How many 14-letter words matching ____is________ are there?

28. 8 of them are common words.

What is a common example?

COMMISERATIONS is among the common words in this set.