12-Letter Words Matching ____M_S_____

There are 28 12-letter words that match ____M_S_____. 9 are common words, such as ELEEMOSYNARY and HEADMISTRESS. A rarer one is THERMOSTATED. In this set, E is the most frequent open letter (22 words). 12 words contain a doubled letter.

Full list 28

Common words

eleemosynaryheadmistressinadmissiblemanumissionsovermasteredpostmistressreadmissionstaskmistressthermostaticchromospheredetumescenceinadmissibly
eleemosynaryheadmistressinadmissiblemanumissionsovermasteredpostmistressreadmissionstaskmistressthermostaticchromospheredetumescenceinadmissiblyintumescenceirremissiblepalimpsesticstigmasteroltaramasalatathermosiphonthermosphereantimissilesantimosquitobullmastiffsoptimisationqualmishnesssemimysticalthermoscopesthermostablethermostated

About this list

Words
28 (9 common words)
Common example
eleemosynary
Rare example
thermostated
Doubled letters
12
Ending in S
9
Most frequent letter
E (22)

Questions

How many 12-letter words matching ____m_s_____ are there?

28. 9 of them are common words.

What is a common example?

ELEEMOSYNARY is among the common words in this set.