12-Letter Words Matching ____R__G____

There are 26 12-letter words that match ____R__G____. 10 are common words, such as INCORRIGIBLE and INCORRIGIBLY. A rarer one is WATERLOGGING. In this set, I is the most frequent open letter (22 words). 14 words contain a doubled letter.

Full list 26

Common words

incorrigibleincorrigiblyinterregnumsinterrogatedinterrogatesinterrogatorquadrangularrestrengthensuperhighwayundersigningrestraightenretiringness
incorrigibleincorrigiblyinterregnumsinterrogatedinterrogatesinterrogatorquadrangularrestrengthensuperhighwayundersigningrestraightenretiringnesssparrowgrasssuperorganicairfreightedarteriogramsbushrangingsdistraughtlyenduringnessinterrogateeintersegmentnonirrigatedsubirrigatedsubirrigatessuperorgasmswaterlogging

About this list

Words
26 (10 common words)
Common example
incorrigible
Rare example
waterlogging
Doubled letters
14
Ending in S
9
Most frequent letter
I (22)

Questions

How many 12-letter words matching ____r__g____ are there?

26. 10 of them are common words.

What is a common example?

INCORRIGIBLE is among the common words in this set.