8-Letter Words Matching O_A_____

There are 31 8-letter words that match O_A_____. 10 are common words, such as OCARINAS and OPAQUELY. A rarer one is OXAZINES. In this set, S is the most frequent open letter (22 words). 2 words contain a doubled letter.

Full list 31

Common words

ocarinasopaquelyopaquestopaquingoracularorangeryorangestorationsoratorioovationsonanismsonanists
ocarinasopaquelyopaquestopaquingoracularorangeryorangestorationsoratorioovationsonanismsonanistsopalesceotalgiasovaritisoxalatesoxalisesodalisksopalinesoralismsoralistsorangierorangishoratressotalgiesouabainsovalnessovarioleoxalatedoxazepamoxazines

About this list

Words
31 (10 common words)
Common example
ocarinas
Rare example
oxazines
Doubled letters
2
Ending in S
18
Most frequent letter
S (22)

Questions

How many 8-letter words matching o_a_____ are there?

31. 10 of them are common words.

What is a common example?

OCARINAS is among the common words in this set.