15-Letter Words Matching _____O_____O___

There are 17 15-letter words that match _____O_____O___. 6 are common words, such as ATHEROSCLEROSES and ATHEROSCLEROSIS. A rarer one is SYMPTOMATOLOGIC. 5 words contain a doubled letter.

Full list 17

atherosclerosesatherosclerosisconfrontationaldisproportionalnonprofessionalsubprofessionalatheroscleroticphlebosclerosispleuropneumoniapreprofessionalpsychodiagnosisdisproportionedenterogastronesimmunodiagnosesimmunodiagnosisretinoblastomassymptomatologic

About this list

Words
17 (6 common words)
Common example
atheroscleroses
Rare example
symptomatologic
Doubled letters
5
Ending in S
8

Questions

How many 15-letter words matching _____o_____o___ are there?

17. 6 of them are common words.

What is a common example?

ATHEROSCLEROSES is among the common words in this set.