6-Letter Words Matching R_R___

There are 15 6-letter words that match R_R___. 7 are common words, such as RAREFY and RARELY. A rarer one is RURBAN. In this set, E is the most frequent open letter (11 words). 2 words contain a doubled letter.

Full list 15

rarefyrarelyrarestraringrarityrereadrerunsrarifyrerackrerigsrerisererollreroofreroserurban

About this list

Words
15 (7 common words)
Common example
rarefy
Rare example
rurban
Doubled letters
2
Ending in S
2
Most frequent letter
E (11)

Questions

How many 6-letter words matching r_r___ are there?

15. 7 of them are common words.

What is a common example?

RAREFY is among the common words in this set.