9-Letter Words Matching _____O__A

There are 38 9-letter words that match _____O__A. 7 are common words, such as APPALOOSA and AUDITORIA. A rarer one is VAGOTONIA. In this set, I is the most frequent open letter (35 words). 4 words contain a doubled letter.

Full list 38

Common words

appaloosaauditoriacatatoniamoratoriaperitoneapneumoniasanatoriaamblyopiaametropiaamyotoniaclaytoniaclintonia
appaloosaauditoriacatatoniamoratoriaperitoneapneumoniasanatoriaamblyopiaametropiaamyotoniaclaytoniaclintoniadysphoniadysphoriaesotropiaeudemoniahaustoriahoustoniahyperopiaparapodiasimaroubasymphoniatrattoriazoophobiaanhedoniaascogoniaendamoebaentamoebahypotonianatatoriapeperomiaphyllodiaplasmodiaprostomiasanitoriasclerotiasudatoriavagotonia

About this list

Words
38 (7 common words)
Common example
appaloosa
Rare example
vagotonia
Doubled letters
4
Ending in S
0
Most frequent letter
I (35)

Questions

How many 9-letter words matching _____o__a are there?

38. 7 of them are common words.

What is a common example?

APPALOOSA is among the common words in this set.