15-Letter Words Matching ____T__M_______

There are 17 15-letter words that match ____T__M_______. 5 are common words, such as COUNTERMEASURES and ELECTROMAGNETIC. A rarer one is LIGHTSOMENESSES. 1 words contain a doubled letter.

Full list 17

countermeasureselectromagneticindeterminaciesindeterminatelyphantasmagoriascountermarchingcountermelodiesindeterminationredeterminationcodeterminationcountermovementelectromyogramselectromyographenantiomorphismenantiomorphousindeterministiclightsomenesses

About this list

Words
17 (5 common words)
Common example
countermeasures
Rare example
lightsomenesses
Doubled letters
1
Ending in S
7

Questions

How many 15-letter words matching ____t__m_______ are there?

17. 5 of them are common words.

What is a common example?

COUNTERMEASURES is among the common words in this set.