8-Letter Words Matching _____G_A

There are 16 8-letter words that match _____G_A. 2 are common words, such as APOLOGIA and PELLAGRA. A rarer one is VESTIGIA. In this set, I is the most frequent open letter (12 words). 3 words contain a doubled letter.

Full list 16

apologiapellagracambogiacollegiacoxalgiadiplegiadyslogiameshuggasterigmacampagnacontagiapterygiasynergiasyntagmauropygiavestigia

About this list

Words
16 (2 common words)
Common example
apologia
Rare example
vestigia
Doubled letters
3
Ending in S
0
Most frequent letter
I (12)

Questions

How many 8-letter words matching _____g_a are there?

16. 2 of them are common words.

What is a common example?

APOLOGIA is among the common words in this set.