15-Letter Words Matching S____O_________

There are 19 15-letter words that match S____O_________. 2 are common words, such as SUBPROFESSIONAL and SYMPTOMATICALLY. A rarer one is SYMPTOMATOLOGIC. 6 words contain a doubled letter.

Full list 19

subprofessionalsymptomaticallysclerodermatousstandoffishnessstereochemistrystereoisomerismstereotypicallysclerotizationssemicolonialismsemidocumentarysemilogarithmicsemipornographyseroconversionsstereologicallystereotaxicallystratovolcanoessubproletariatssuperovulationssymptomatologic

About this list

Words
19 (2 common words)
Common example
subprofessional
Rare example
symptomatologic
Doubled letters
6
Ending in S
7

Questions

How many 15-letter words matching s____o_________ are there?

19. 2 of them are common words.

What is a common example?

SUBPROFESSIONAL is among the common words in this set.