4-Letter Words Matching _A_O

There are 18 4-letter words that match _A_O. 10 are common words, such as CAPO and DADO. A rarer one is RATO. In this set, T is the most frequent open letter (5 words). 0 words contain a doubled letter.

Full list 18

capodadofarohalojatokayomayosagotacotarodagodatofadomakocalofanomanorato

About this list

Words
18 (10 common words)
Common example
capo
Rare example
rato
Doubled letters
0
Ending in S
0
Most frequent letter
T (5)

Questions

How many 4-letter words matching _a_o are there?

18. 10 of them are common words.

What is a common example?

CAPO is among the common words in this set.