11-Letter Words Matching A_____G____

There are 20 11-letter words that match A_____G____. 3 are common words, such as ASPARAGUSES and ASTRINGENCY. A rarer one is AXIOLOGICAL. In this set, I is the most frequent open letter (17 words). 3 words contain a doubled letter.

Full list 20

asparagusesastringencyastringentsacromegalicanastigmatsasparaginesabiologicalalgolagniacalgolagniasalgologicalalgologistsamusingnessanilingusesantifoggingantilogicalarchangelicarctangentsatherogenicautosuggestaxiological

About this list

Words
20 (3 common words)
Common example
asparaguses
Rare example
axiological
Doubled letters
3
Ending in S
9
Most frequent letter
I (17)

Questions

How many 11-letter words matching a_____g____ are there?

20. 3 of them are common words.

What is a common example?

ASPARAGUSES is among the common words in this set.