7-Letter Words Matching O_O____

There are 26 7-letter words that match O_O____. 4 are common words, such as OBOISTS and ODOROUS. A rarer one is OZONOUS. In this set, I is the most frequent open letter (12 words). 1 words contain a doubled letter.

Full list 26

Common words

oboistsodorousopossumorotundobovateobovoidologiesolorosoorogenyotocystotolithotology
oboistsodorousopossumorotundobovateobovoidologiesolorosoorogenyotocystotolithotologyovoidalozonideozonizeodonateodorantodorfulodorizeologistoroidesorologyovonicsozonateozoniseozonous

About this list

Words
26 (4 common words)
Common example
oboists
Rare example
ozonous
Doubled letters
1
Ending in S
6
Most frequent letter
I (12)

Questions

How many 7-letter words matching o_o____ are there?

26. 4 of them are common words.

What is a common example?

OBOISTS is among the common words in this set.