12-Letter Words Matching M_D_________

There are 21 12-letter words that match M_D_________. 11 are common words, such as MADEMOISELLE and MEDIEVALISTS. A rarer one is MODULARITIES. In this set, I is the most frequent open letter (18 words). 7 words contain a doubled letter.

Full list 21

mademoisellemedievalistsmediocritiesmeditativelymiddleweightmoderatenessmodernnessesmodificationmodishnessesmuddleheadedmudslingingsmadrigalistsmeditationalmiddlebustermodularizingmadreporiansmadreporitesmedievalismsmidlatitudesmodulabilitymodularities

About this list

Words
21 (11 common words)
Common example
mademoiselle
Rare example
modularities
Doubled letters
7
Ending in S
12
Most frequent letter
I (18)

Questions

How many 12-letter words matching m_d_________ are there?

21. 11 of them are common words.

What is a common example?

MADEMOISELLE is among the common words in this set.