14-Letter Words Matching _____R_M______

There are 20 14-letter words that match _____R_M______. 2 are common words, such as CONCERTMASTERS and ELECTROMAGNETS. A rarer one is TRICHROMATISMS. In this set, O is the most frequent open letter (19 words). 1 words contain a doubled letter.

Full list 20

concertmasterselectromagnetsconcertmeisteroverdramatizedoverdramatizesspectrometriesantidromicallycompartmentingelectromyogramisochromosomesmelodramatisedmelodramatisesmelodramatistsmelodramatizedmelodramatizesnonchromosomalpsychrometriesrespirometriessilversmithingtrichromatisms

About this list

Words
20 (2 common words)
Common example
concertmasters
Rare example
trichromatisms
Doubled letters
1
Ending in S
11
Most frequent letter
O (19)

Questions

How many 14-letter words matching _____r_m______ are there?

20. 2 of them are common words.

What is a common example?

CONCERTMASTERS is among the common words in this set.