12-Letter Words Matching _____R__G___

There are 18 12-letter words that match _____R__G___. 8 are common words, such as BOOMERANGING and DISARRANGING. A rarer one is YESTERNIGHTS. In this set, I is the most frequent open letter (17 words). 11 words contain a doubled letter.

Full list 18

boomerangingdisarranginghamstringinghemorrhagingjitterbuggedjitterbuggerleapfroggingprearrangingballyraggingbirefringentbullyraggingconstringentconstringingmenorrhagiasfootdraggershandwringershandwringingyesternights

About this list

Words
18 (8 common words)
Common example
boomeranging
Rare example
yesternights
Doubled letters
11
Ending in S
4
Most frequent letter
I (17)

Questions

How many 12-letter words matching _____r__g___ are there?

18. 8 of them are common words.

What is a common example?

BOOMERANGING is among the common words in this set.