14-Letter Words Matching ___A_A________

There are 21 14-letter words that match ___A_A________. 6 are common words, such as INCAPABILITIES and INCAPACITATING. A rarer one is TREATABILITIES. In this set, T is the most frequent open letter (20 words). 3 words contain a doubled letter.

Full list 21

incapabilitiesincapacitatingpalatalizationpleasantnessesseparabilitiesseparatenessesincapacitationpalatabilitiesparamagnetismsparatacticallyunpalatabilitycleanabilitiesdilatabilitiesmaladaptationsmegakaryocytesmegakaryocyticpreadaptationsrecanalizationseparationistssubarachnoidaltreatabilities

About this list

Words
21 (6 common words)
Common example
incapabilities
Rare example
treatabilities
Doubled letters
3
Ending in S
13
Most frequent letter
T (20)

Questions

How many 14-letter words matching ___a_a________ are there?

21. 6 of them are common words.

What is a common example?

INCAPABILITIES is among the common words in this set.