12-Letter Words Matching ____G_L_____

There are 20 12-letter words that match ____G_L_____. 8 are common words, such as CHANGELESSLY and DEREGULATING. A rarer one is REREGULATION. 5 words contain a doubled letter.

Full list 20

changelesslyderegulatingderegulationevangelicalsevangelisticevangelizingillegalitiesirregularityderegulatoryillegalizinginvigilatinginvigilationinvigilatorsslumgullionsspiegeleisenfluegelhornsmetagalacticmetagalaxiesreregulatingreregulation

About this list

Words
20 (8 common words)
Common example
changelessly
Rare example
reregulation
Doubled letters
5
Ending in S
6

Questions

How many 12-letter words matching ____g_l_____ are there?

20. 8 of them are common words.

What is a common example?

CHANGELESSLY is among the common words in this set.