7-Letter Words Matching ____RR_

There are 13 7-letter words that match ____RR_. 4 are common words, such as BIZARRE and CATARRH. A rarer one is ZAMARRO. In this set, A is the most frequent open letter (10 words). 13 words contain a doubled letter.

Full list 13

bizarrecatarrhequerryremarrybegorrabeworrycamorradhourramojarrarecarryunmerryzamarrazamarro

About this list

Words
13 (4 common words)
Common example
bizarre
Rare example
zamarro
Doubled letters
13
Ending in S
0
Most frequent letter
A (10)

Questions

How many 7-letter words matching ____rr_ are there?

13. 4 of them are common words.

What is a common example?

BIZARRE is among the common words in this set.