15-Letter Words Matching ____M_________Y

There are 20 15-letter words that match ____M_________Y. 6 are common words, such as ACCOMMODATINGLY and ARGUMENTATIVELY. A rarer one is UNSYMMETRICALLY. In this set, A is the most frequent open letter (19 words). 9 words contain a doubled letter.

Full list 20

accommodatinglyargumentativelyinadmissibilityincompatibilityuncomplaininglyuncomplimentaryencomiasticallyexcommunicatoryincomparabilitypharmacotherapythermochemistrydecomposabilityentomologicallyincommensurablymetamorphicallymonomolecularlypolymorphicallyrememberabilitythermostabilityunsymmetrically

About this list

Words
20 (6 common words)
Common example
accommodatingly
Rare example
unsymmetrically
Doubled letters
9
Ending in S
0
Most frequent letter
A (19)

Questions

How many 15-letter words matching ____m_________y are there?

20. 6 of them are common words.

What is a common example?

ACCOMMODATINGLY is among the common words in this set.