15-Letter Words Matching __T__M_________

There are 18 15-letter words that match __T__M_________. 1 are common words, such as METHAMPHETAMINE and DETERMINATENESS. A rarer one is ULTRAMONTANISMS. 4 words contain a doubled letter.

Full list 18

methamphetaminedeterminatenessdeterminativelyinterminabilityintermittenciesintramuscularlyosteomyelitidesultramicrometerultramicroscopebathymetricallyintermediationsintermodulationmathematizationtetramethylleadultramarathonerultramicrotomesultramodernistsultramontanisms

About this list

Words
18 (1 common words)
Common example
methamphetamine
Rare example
ultramontanisms
Doubled letters
4
Ending in S
7

Questions

How many 15-letter words matching __t__m_________ are there?

18. 1 of them are common words.

What is a common example?

METHAMPHETAMINE is among the common words in this set.