13-Letter Words Matching ____G_____L__

There are 17 13-letter words that match ____G_____L__. 5 are common words, such as ALLEGORICALLY and CATEGORICALLY. A rarer one is MUTAGENICALLY. In this set, I is the most frequent open letter (17 words). 16 words contain a doubled letter.

Full list 17

allegoricallycategoricallyenergeticallyevangelicallyinorganicallycryogenicallydemagogicallydraggletailedontogenicallypanegyricallypedagogicallyabiogenicallyantigenicallyantiguerrillaindigestiblesmonogenicallymutagenically

About this list

Words
17 (5 common words)
Common example
allegorically
Rare example
mutagenically
Doubled letters
16
Ending in S
1
Most frequent letter
I (17)

Questions

How many 13-letter words matching ____g_____l__ are there?

17. 5 of them are common words.

What is a common example?

ALLEGORICALLY is among the common words in this set.