12-Letter Words Matching _A____G_____

There are 20 12-letter words that match _A____G_____. 7 are common words, such as BATTLEGROUND and CARDIOGRAPHS. A rarer one is LAMMERGEYERS. In this set, I is the most frequent open letter (16 words). 6 words contain a doubled letter.

Full list 20

battlegroundcardiographslamplightersmarriageablepackinghouseparadigmaticwarmongeringcardiographycarriagewaysjacklightinglammergeierspalaeographyparamagneticsalpingotomywalkingstickbacklightinggametogenousharbingeringhardinggrasslammergeyers

About this list

Words
20 (7 common words)
Common example
battleground
Rare example
lammergeyers
Doubled letters
6
Ending in S
7
Most frequent letter
I (16)

Questions

How many 12-letter words matching _a____g_____ are there?

20. 7 of them are common words.

What is a common example?

BATTLEGROUND is among the common words in this set.