14-Letter Words Matching _____R_G______

There are 21 14-letter words that match _____R_G______. 8 are common words, such as DEHYDROGENATED and DEHYDROGENATES. A rarer one is ULTRARIGHTISTS. 6 words contain a doubled letter.

Full list 21

dehydrogenateddehydrogenatesdesegregationsdisparagementsencouragementsforthrightnessinterrogationsinterrogativesspectrographicunrefrigerateddehydrogenasesdeuteragonistselectrogeneseselectrogenesisoverprogramingoverprogrammedplaywrightingsreaggregationsresegregationssubirrigationsultrarightists

About this list

Words
21 (8 common words)
Common example
dehydrogenated
Rare example
ultrarightists
Doubled letters
6
Ending in S
16

Questions

How many 14-letter words matching _____r_g______ are there?

21. 8 of them are common words.

What is a common example?

DEHYDROGENATED is among the common words in this set.