5-Letter Words Matching __R_O

There are 21 5-letter words that match __R_O. 11 are common words, such as BURRO and CARGO. A rarer one is TARDO. In this set, A is the most frequent open letter (9 words). 3 words contain a doubled letter.

Full list 21

burrocargocurioforgolargoservotorsoturboversovireofordosorgocarbokaroomorronarcopareopargoparvotardoporno

About this list

Words
21 (11 common words)
Common example
burro
Rare example
tardo
Doubled letters
3
Ending in S
0
Most frequent letter
A (9)

Questions

How many 5-letter words matching __r_o are there?

21. 11 of them are common words.

What is a common example?

BURRO is among the common words in this set.