15-Letter Words Matching _M_________T___

There are 17 15-letter words that match _M_________T___. 7 are common words, such as AMBIDEXTERITIES and IMMATERIALITIES. A rarer one is IMPROVABILITIES. In this set, I is the most frequent open letter (17 words). 8 words contain a doubled letter.

Full list 17

ambidexteritiesimmaterialitiesimpassibilitiesimpeccabilitiesimplacabilitiesimpossibilitiesimprobabilitiesimpalpabilitiesambisexualitiesemployabilitiesimmiscibilitiesimmortalizationimmunocompetentimpassabilitiesimpecuniositiesimpersonalitiesimprovabilities

About this list

Words
17 (7 common words)
Common example
ambidexterities
Rare example
improvabilities
Doubled letters
8
Ending in S
15
Most frequent letter
I (17)

Questions

How many 15-letter words matching _m_________t___ are there?

17. 7 of them are common words.

What is a common example?

AMBIDEXTERITIES is among the common words in this set.