12-Letter Words Matching _____M_C____

There are 20 12-letter words that match _____M_C____. 11 are common words, such as ACADEMICALLY and ACADEMICIANS. A rarer one is PHYCOMYCETES. In this set, I is the most frequent open letter (19 words). 10 words contain a doubled letter.

Full list 20

academicallyacademiciansanatomicallycircumscribecontumaciouseconomicallyepidemicallyphonemicallyrhythmicallysupremacistssystemicallyacademicismsalchemicallydiatomaceousmillimicronsorgasmicallytauromachianchylomicronsphonemicistsphycomycetes

About this list

Words
20 (11 common words)
Common example
academically
Rare example
phycomycetes
Doubled letters
10
Ending in S
9
Most frequent letter
I (19)

Questions

How many 12-letter words matching _____m_c____ are there?

20. 11 of them are common words.

What is a common example?

ACADEMICALLY is among the common words in this set.