12-Letter Words Matching _____S_O____

There are 74 12-letter words that match _____S_O____. 24 are common words, such as BRAINSTORMED and CLERESTORIES. A rarer one is UNDERSTORIES. In this set, I is the most frequent open letter (62 words). 25 words contain a doubled letter.

Full list 74

Common words

brainstormedclerestoriesconsistoriescorrespondeddiversionaryexcursionistexpansionaryexpansionismexpansionisthorseshoeingmicroscopiesnoncustodial
brainstormedclerestoriesconsistoriescorrespondeddiversionaryexcursionistexpansionaryexpansionismexpansionisthorseshoeingmicroscopiesnoncustodialpredisposingprehistoriesprofessorialprovisioningradioscopiesrecessionalsrecessionaryschussboomersecessionistsharpshooterunderscoringvichyssoisesaccessioningappassionatoclearstoriescyclosporinedimensioningecclesiologyexclusionaryimmersionismmicroscopistonomasiologyperfusionistphysostomousprehistorianprofessorateprovisionersreversionaryreversionerssecessionismshellshockedtrainspotterunnewsworthywollastoniteappressoriumarchesporialarchesporiumbrainstormerconsistorialcystoscopiesdiffusionismdiffusionistdiversionistexclusionistimpassioningmicrosporousmultistoriednoncustomersnonrespondernonresponsespittosporumsprecisionistprediscoveryprevisionaryprevisioningprofessoriatprogestogensprovisionalsprovisionaryrhinoscopiesthalassocratunderstories

About this list

Words
74 (24 common words)
Common example
brainstormed
Rare example
understories
Doubled letters
25
Ending in S
20
Most frequent letter
I (62)

Questions

How many 12-letter words matching _____s_o____ are there?

74. 24 of them are common words.

What is a common example?

BRAINSTORMED is among the common words in this set.