5-Letter Words Matching R__O_

There are 20 5-letter words that match R__O_. 8 are common words, such as RADON and RAYON. A rarer one is ROTOS. In this set, E is the most frequent open letter (10 words). 0 words contain a doubled letter.

Full list 20

radonrayonrazorresowrigorrobotrotorrumorraconreconratosrebopredonredosredoxreposrepotresodrewonrotos

About this list

Words
20 (8 common words)
Common example
radon
Rare example
rotos
Doubled letters
0
Ending in S
4
Most frequent letter
E (10)

Questions

How many 5-letter words matching r__o_ are there?

20. 8 of them are common words.

What is a common example?

RADON is among the common words in this set.