13-Letter Words Matching ________A__A_

There are 24 13-letter words that match ________A__A_. 2 are common words, such as AUTHORITARIAN and EXTRAVAGANZAS. A rarer one is POSTLAPSARIAN. In this set, I is the most frequent open letter (22 words). 6 words contain a doubled letter.

Full list 24

authoritarianextravaganzascommunitariandecalcomaniasdocumentarianmetrorrhagiasosteomalaciaspremenopausalsuburbicarianballetomaniasdeterminantalichthyofaunaeichthyofaunalichthyofaunasinegalitarianmaxillofacialmediterraneanmetacercariaemetacercarialmicrofilariaemicrofilarialnecessitariannonvegetarianpostlapsarian

About this list

Words
24 (2 common words)
Common example
authoritarian
Rare example
postlapsarian
Doubled letters
6
Ending in S
6
Most frequent letter
I (22)

Questions

How many 13-letter words matching ________a__a_ are there?

24. 2 of them are common words.

What is a common example?

AUTHORITARIAN is among the common words in this set.