15-Letter Words Matching ____R__M_______

There are 15 15-letter words that match ____R__M_______. 3 are common words, such as ENVIRONMENTALLY and PATERFAMILIASES. A rarer one is UNCIRCUMCISIONS. In this set, I is the most frequent open letter (14 words). 8 words contain a doubled letter.

Full list 15

environmentallypaterfamiliasessupernumerariesanagrammatizingintercommunionsprogrammabilityepigrammatizersepigrammatizinghyperimmunizinghypersomnolenceintercomparisonmaterfamiliasessuperhumanitiessupersymmetriesuncircumcisions

About this list

Words
15 (3 common words)
Common example
environmentally
Rare example
uncircumcisions
Doubled letters
8
Ending in S
8
Most frequent letter
I (14)

Questions

How many 15-letter words matching ____r__m_______ are there?

15. 3 of them are common words.

What is a common example?

ENVIRONMENTALLY is among the common words in this set.