13-Letter Words Containing REG

There are 44 13-letter words that contain REG. 17 are common words, such as CONGREGATIONS and DEREGULATIONS. A rarer one is SUPERREGIONAL. 14 words contain a doubled letter.

Full list 44

Common words

congregationsderegulationsdesegregatingdesegregationegregiousnessforegatheringforegroundingimpregnationsnonsegregatedperegrinatingperegrinationpreregistered
congregationsderegulationsdesegregatingdesegregationegregiousnessforegatheringforegroundingimpregnationsnonsegregatedperegrinatingperegrinationpreregisteredregenerationsregimentationregistrationsregurgitatingregurgitationdisaggregatedregretfulnessresegregationaggregatenessaggregationalaggregativelydisaggregatesenregisteringinterregionalmisregisteredmultiregionalnongregariousnonregulationoverregulatedoverregulatespreganglionicpregnenolonesreaggregatingreaggregationregardfulnessregionalisticregionalizingreregisteringreregulationsresegregatingstereoregularsuperregional

About this list

Words
44 (17 common words)
Common example
congregations
Rare example
superregional
Doubled letters
14
Ending in S
14

Questions

How many 13-letter words containing reg are there?

44. 17 of them are common words.

What is a common example?

CONGREGATIONS is among the common words in this set.