11-Letter Words Matching _______RR__

There are 12 11-letter words that match _______RR__. 4 are common words, such as DISINTERRED and KOOKABURRAS. A rarer one is TRANSFERRIN. In this set, E is the most frequent open letter (11 words). 12 words contain a doubled letter.

Full list 12

disinterredkookaburrastransferredwheelbarrowtransferrercrossbarredmisinferredmisinterredmisreferredmultibarreloverstirredtransferrin

About this list

Words
12 (4 common words)
Common example
disinterred
Rare example
transferrin
Doubled letters
12
Ending in S
1
Most frequent letter
E (11)

Questions

How many 11-letter words matching _______rr__ are there?

12. 4 of them are common words.

What is a common example?

DISINTERRED is among the common words in this set.