15-Letter Words Matching M_____________Y

There are 29 15-letter words that match M_____________Y. 7 are common words, such as MAINTAINABILITY and MANEUVERABILITY. A rarer one is MOUTHWATERINGLY. In this set, I is the most frequent open letter (28 words). 19 words contain a doubled letter.

Full list 29

Common words

maintainabilitymaneuverabilitymarriageabilitymasochisticallymechanisticallymicroscopicallymiscellaneouslymacrocosmicallymacroscopicallymelancholicallymerchantabilitymicrocosmically
maintainabilitymaneuverabilitymarriageabilitymasochisticallymechanisticallymicroscopicallymiscellaneouslymacrocosmicallymacroscopicallymelancholicallymerchantabilitymicrocosmicallymineralogicallymorphologicallymultitudinouslymutualisticallymagistraticallymartensiticallymeroblasticallymetallurgicallymetamorphicallymicromorphologymicrophotometrymicrophysicallymicroseismicitymonomolecularlymonospecificitymonosyllabicitymouthwateringly

About this list

Words
29 (7 common words)
Common example
maintainability
Rare example
mouthwateringly
Doubled letters
19
Ending in S
0
Most frequent letter
I (28)

Questions

How many 15-letter words matching m_____________y are there?

29. 7 of them are common words.

What is a common example?

MAINTAINABILITY is among the common words in this set.