15-Letter Words Matching ___________M__S

There are 17 15-letter words that match ___________M__S. 1 are common words, such as TONSILLECTOMIES and ELECTRODYNAMICS. A rarer one is THYROIDECTOMIES. In this set, I is the most frequent open letter (17 words). 2 words contain a doubled letter.

Full list 17

tonsillectomieselectrodynamicsadenoidectomiescyanocobalaminselectrothermicsmastoidectomiesmorphophonemicspneumonectomiesprostatectomiessalpingectomiesadrenalectomiesantiarrhythmicschemotaxonomieshyperlipidemiashypomagnesemiassympathectomiesthyroidectomies

About this list

Words
17 (1 common words)
Common example
tonsillectomies
Rare example
thyroidectomies
Doubled letters
2
Ending in S
17
Most frequent letter
I (17)

Questions

How many 15-letter words matching ___________m__s are there?

17. 1 of them are common words.

What is a common example?

TONSILLECTOMIES is among the common words in this set.