15-Letter Words Matching __SO___________

There are 17 15-letter words that match __SO___________. 5 are common words, such as DISORGANIZATION and DISORIENTATIONS. A rarer one is VASODILATATIONS. In this set, I is the most frequent open letter (16 words). 6 words contain a doubled letter.

Full list 17

disorganizationdisorientationsmasochisticallyresourcefulnessunsophisticatedassociationismsresocializationunsociabilitiesvasoconstrictorabsorbabilitiesassociationistsassociativitiesinsociabilitiesinsolublenesseslysogenizationsmisorientationsvasodilatations

About this list

Words
17 (5 common words)
Common example
disorganization
Rare example
vasodilatations
Doubled letters
6
Ending in S
12
Most frequent letter
I (16)

Questions

How many 15-letter words matching __so___________ are there?

17. 5 of them are common words.

What is a common example?

DISORGANIZATION is among the common words in this set.