14-Letter Words Matching A___A_________

There are 31 14-letter words that match A___A_________. 12 are common words, such as ACETAMINOPHENS and ACTUALIZATIONS. A rarer one is AUTOANTIBODIES. In this set, I is the most frequent open letter (27 words). 10 words contain a doubled letter.

Full list 31

Common words

acetaminophensactualizationsadorablenessesaggrandizementalphabeticallyalphanumericalanimadversionsarchaeologicalarchaeologistsaromatherapiesaromatherapistattractiveness
acetaminophensactualizationsadorablenessesaggrandizementalphabeticallyalphanumericalanimadversionsarchaeologicalarchaeologistsaromatherapiesaromatherapistattractivenessamaranthaceousamenablenessesanacardiaceousacetazolamidesadmeasurementsalloantibodiesamicablenessesanelasticitiesanimalizationsantiaggressionantialcoholismantiallergenicantiapartheidsantiarrhythmicantiarthriticsapocalypticismarchaebacteriaaromatizationsautoantibodies

About this list

Words
31 (12 common words)
Common example
acetaminophens
Rare example
autoantibodies
Doubled letters
10
Ending in S
20
Most frequent letter
I (27)

Questions

How many 14-letter words matching a___a_________ are there?

31. 12 of them are common words.

What is a common example?

ACETAMINOPHENS is among the common words in this set.