13-Letter Words Matching _______A_A___

There are 14 13-letter words that match _______A_A___. 4 are common words, such as BIODEGRADABLE and DISAPPEARANCE. A rarer one is NONDEGRADABLE. 4 words contain a doubled letter.

Full list 14

biodegradabledisappearancenonappearancenoncombatantsegomaniacallymanipulatableparanoiacallyparaphrasablepermanganatesanticipatableconfiscatablemisdemeanantsnoncomparablenondegradable

About this list

Words
14 (4 common words)
Common example
biodegradable
Rare example
nondegradable
Doubled letters
4
Ending in S
3

Questions

How many 13-letter words matching _______a_a___ are there?

14. 4 of them are common words.

What is a common example?

BIODEGRADABLE is among the common words in this set.