15-Letter Words Matching A___A__________

There are 15 15-letter words that match A___A__________. 4 are common words, such as AGGRANDIZEMENTS and ALPHABETIZATION. A rarer one is ARCHAEBACTERIUM. In this set, T is the most frequent open letter (14 words). 6 words contain a doubled letter.

Full list 15

aggrandizementsalphabetizationantiabortionistaromatherapistsanomalousnessesapocalypticallyarchaeopteryxesanfractuositiesantialcoholismsantiallergenicsantiaphrodisiacantiarrhythmicsapocalypticismsappealabilitiesarchaebacterium

About this list

Words
15 (4 common words)
Common example
aggrandizements
Rare example
archaebacterium
Doubled letters
6
Ending in S
10
Most frequent letter
T (14)

Questions

How many 15-letter words matching a___a__________ are there?

15. 4 of them are common words.

What is a common example?

AGGRANDIZEMENTS is among the common words in this set.