13-Letter Words Matching __S__I_______

There are 54 13-letter words that match __S__I_______. 20 are common words, such as ASSIMILATIONS and DESALINATIONS. A rarer one is UNSERIOUSNESS. In this set, I is the most frequent open letter (50 words). 11 words contain a doubled letter.

Full list 54

Common words

assimilationsdesalinationsdescriptivelydiscriminateddiscriminatesdiscriminatordisorientateddisorientatesdisquisitionsdistributionsenshrinementsinsatiability
assimilationsdesalinationsdescriptivelydiscriminateddiscriminatesdiscriminatordisorientateddisorientatesdisquisitionsdistributionsenshrinementsinsatiabilityinseminationsinsidiousnessmisalignmentsmischievouslymusicianshipsnasalizationsossificationsrestrictivelyassociateshipassociationalassociativelyassociativitybasidiomycetebasidiosporesdescriptivismdescriptivistdiscriminantsdistributableinscriptionalinsipidnessesmastoidectomymastoiditidesmisguidednessunsatisfiableunsociabilityvasodilationsbasificationsdiscriminablediscriminablydisguisementsdisquietinglygasificationsinsanitationsinsatiatenessinscriptivelyinsociabilitymastoiditisespostdiluviansresocializingresolidifyingsesquiterpeneunseriousness

About this list

Words
54 (20 common words)
Common example
assimilations
Rare example
unseriousness
Doubled letters
11
Ending in S
27
Most frequent letter
I (50)

Questions

How many 13-letter words matching __s__i_______ are there?

54. 20 of them are common words.

What is a common example?

ASSIMILATIONS is among the common words in this set.