15-Letter Words Matching R_____________G

There are 22 15-letter words that match R_____________G. 8 are common words, such as RECOMMISSIONING and RECONTAMINATING. A rarer one is RESYSTEMATIZING. 4 words contain a doubled letter.

Full list 22

recommissioningrecontaminatingrecrystallizingreincorporatingrephotographingrestrengtheningrevolutionisingrevolutionizingresynchronizingreacclimatizingreappropriatingreconcentratingreconsolidatingrehospitalizingreinvestigatingremanufacturingrematerializingremythologizingrenationalizingreorchestratingrepublicanizingresystematizing

About this list

Words
22 (8 common words)
Common example
recommissioning
Rare example
resystematizing
Doubled letters
4
Ending in S
0

Questions

How many 15-letter words matching r_____________g are there?

22. 8 of them are common words.

What is a common example?

RECOMMISSIONING is among the common words in this set.