15-Letter Words Matching ____S_______O__

There are 22 15-letter words that match ____S_______O__. 8 are common words, such as CLASSIFICATIONS and DISASSOCIATIONS. A rarer one is UNFOSSILIFEROUS. 8 words contain a doubled letter.

Full list 22

classificationsdisassociationsemulsificationspressurizationsredistributionstransformationstransmigrationstransportationsautosuggestionscoinstantaneousmenispermaceousvicissitudinousaerosolizationsantisubversionsoversaturationsparasitizationspoststimulatoryredistillationsreinstallationstransaminationstransvaluationsunfossiliferous

About this list

Words
22 (8 common words)
Common example
classifications
Rare example
unfossiliferous
Doubled letters
8
Ending in S
21

Questions

How many 15-letter words matching ____s_______o__ are there?

22. 8 of them are common words.

What is a common example?

CLASSIFICATIONS is among the common words in this set.