15-Letter Words Matching M____M_________

There are 12 15-letter words that match M____M_________. 3 are common words, such as METHAMPHETAMINE and MICROMANAGEMENT. A rarer one is MULTIMILLENNIAL. In this set, I is the most frequent open letter (12 words). 2 words contain a doubled letter.

Full list 12

methamphetaminemicromanagementmicrometeoritesmicromillimetermiscomprehendedmaladministeredmathematizationmicrometeoriticmicrometeoroidsmicromorphologymiscomputationsmultimillennial

About this list

Words
12 (3 common words)
Common example
methamphetamine
Rare example
multimillennial
Doubled letters
2
Ending in S
3
Most frequent letter
I (12)

Questions

How many 15-letter words matching m____m_________ are there?

12. 3 of them are common words.

What is a common example?

METHAMPHETAMINE is among the common words in this set.