15-Letter Words Matching A__________A___

There are 27 15-letter words that match A__________A___. 5 are common words, such as AERODYNAMICALLY and ANTIDEPRESSANTS. A rarer one is AUTOTROPHICALLY. In this set, I is the most frequent open letter (25 words). 13 words contain a doubled letter.

Full list 27

Common words

aerodynamicallyantidepressantsantiperspirantsarchitecturallyatmosphericallyacanthocephalanacknowledgeablealgorithmicallyancylostomiasisankylostomiasisapocalypticallyastronautically
aerodynamicallyantidepressantsantiperspirantsarchitecturallyatmosphericallyacanthocephalanacknowledgeablealgorithmicallyancylostomiasisankylostomiasisapocalypticallyastronauticallyautographicallyautolithographyautoradiographsaminopeptidasesanacoluthicallyancylostomiasesanisotropicallyankylostomiasesanticonvulsantsantifashionableantipornographyarcheologicallyastrophysicallyautoradiographyautotrophically

About this list

Words
27 (5 common words)
Common example
aerodynamically
Rare example
autotrophically
Doubled letters
13
Ending in S
9
Most frequent letter
I (25)

Questions

How many 15-letter words matching a__________a___ are there?

27. 5 of them are common words.

What is a common example?

AERODYNAMICALLY is among the common words in this set.