15-Letter Words Matching ___A__________Y

There are 12 15-letter words that match ___A__________Y. 2 are common words, such as DISAPPOINTINGLY and NONAVAILABILITY. A rarer one is PARAGENETICALLY. 7 words contain a doubled letter.

Full list 12

disappointinglynonavailabilitycataclysmicallyincalculabilitylogarithmicallymelancholicallyunmanageabilityunparliamentarybioavailabilitymetallurgicallymetamorphicallyparagenetically

About this list

Words
12 (2 common words)
Common example
disappointingly
Rare example
paragenetically
Doubled letters
7
Ending in S
0

Questions

How many 15-letter words matching ___a__________y are there?

12. 2 of them are common words.

What is a common example?

DISAPPOINTINGLY is among the common words in this set.