15-Letter Words Matching ___R__G________

There are 12 15-letter words that match ___R__G________. 3 are common words, such as MARRIAGEABILITY and MICROAGGRESSION. A rarer one is SPORANGIOPHORES. In this set, E is the most frequent open letter (12 words). 10 words contain a doubled letter.

Full list 12

marriageabilitymicroaggressionnearsightednesschurrigueresquemacroaggregatedmacroaggregatesovereagernessesoverengineeringoveringenuitiesoverregulationsrefrangiblenesssporangiophores

About this list

Words
12 (3 common words)
Common example
marriageability
Rare example
sporangiophores
Doubled letters
10
Ending in S
7
Most frequent letter
E (12)

Questions

How many 15-letter words matching ___r__g________ are there?

12. 3 of them are common words.

What is a common example?

MARRIAGEABILITY is among the common words in this set.