15-Letter Words Matching __S__I_________

There are 32 15-letter words that match __S__I_________. 8 are common words, such as DESALINIZATIONS and DESCRIPTIVENESS. A rarer one is VASODILATATIONS. In this set, S is the most frequent open letter (30 words). 13 words contain a doubled letter.

Full list 32

Common words

desalinizationsdescriptivenessdiscriminationsdisorientationsinsatiabilitiesinsidiousnessesmischievousnessrestrictivenessassimilationistassociationismsdistributorshipmastoidectomies
desalinizationsdescriptivenessdiscriminationsdisorientationsinsatiabilitiesinsidiousnessesmischievousnessrestrictivenessassimilationistassociationismsdistributorshipmastoidectomiesresocializationsesquicarbonatesesquipedaliansunsociabilitiesassimilationismassociationistsassociativitiesbasidiomycetousinsatiatenessesinsociabilitiesmisguidednessesmisorientationsmisutilizationspostdivestiturepostmillenarianrestrictionismsrestrictionistssesquicentenaryunseriousnessesvasodilatations

About this list

Words
32 (8 common words)
Common example
desalinizations
Rare example
vasodilatations
Doubled letters
13
Ending in S
24
Most frequent letter
S (30)

Questions

How many 15-letter words matching __s__i_________ are there?

32. 8 of them are common words.

What is a common example?

DESALINIZATIONS is among the common words in this set.