9-Letter Words Matching _O______O

There are 12 9-letter words that match _O______O. 3 are common words, such as CONTRALTO and POLITBURO. A rarer one is TOMATILLO. 4 words contain a doubled letter.

Full list 12

contraltopolitburoportfoliobolivianocoyotillodowntemposolfeggiosolferinosopraninosostenutononghettotomatillo

About this list

Words
12 (3 common words)
Common example
contralto
Rare example
tomatillo
Doubled letters
4
Ending in S
0

Questions

How many 9-letter words matching _o______o are there?

12. 3 of them are common words.

What is a common example?

CONTRALTO is among the common words in this set.