15-Letter Words Matching ____R_M________

There are 29 15-letter words that match ____R_M________. 9 are common words, such as DEPARTMENTALIZE and DISCRIMINATIONS. A rarer one is UNDEREMPHASIZES. In this set, I is the most frequent open letter (27 words). 5 words contain a doubled letter.

Full list 29

Common words

departmentalizediscriminationsexperimentationinstrumentalistinstrumentalityinstrumentationsuperimpositionunceremoniouslyunderemploymentanagrammatizingchloramphenicoldepartmentalism
departmentalizediscriminationsexperimentationinstrumentalistinstrumentalityinstrumentationsuperimpositionunceremoniouslyunderemploymentanagrammatizingchloramphenicoldepartmentalismexperimentalismexperimentalistexperimentalizeinstrumentalismprogrammabilitytribromoethanolantiromanticismepigrammatizersepigrammatizinggovernmentalismgovernmentalistgovernmentalizeheteromorphismshyperimmunizingrechromatographunderemphasizedunderemphasizes

About this list

Words
29 (9 common words)
Common example
departmentalize
Rare example
underemphasizes
Doubled letters
5
Ending in S
4
Most frequent letter
I (27)

Questions

How many 15-letter words matching ____r_m________ are there?

29. 9 of them are common words.

What is a common example?

DEPARTMENTALIZE is among the common words in this set.