15-Letter Words Matching _A__A__________

There are 14 15-letter words that match _A__A__________. 5 are common words, such as BASTARDIZATIONS and DASTARDLINESSES. A rarer one is WARRANTABLENESS. 9 words contain a doubled letter.

Full list 14

bastardizationsdastardlinesseshaphazardnesseslackadaisicallytalkativenessesbarbarousnessesfantasticalnessgalvanometricalmagnanimousnesssarraceniaceousfantasticationssacramentalismssacramentalistswarrantableness

About this list

Words
14 (5 common words)
Common example
bastardizations
Rare example
warrantableness
Doubled letters
9
Ending in S
12

Questions

How many 15-letter words matching _a__a__________ are there?

14. 5 of them are common words.

What is a common example?

BASTARDIZATIONS is among the common words in this set.