11-Letter Words Matching ____R___M__

There are 20 11-letter words that match ____R___M__. 9 are common words, such as ALGORITHMIC and CAMERAWOMAN. A rarer one is PREFRESHMEN. In this set, N is the most frequent open letter (17 words). 2 words contain a doubled letter.

Full list 20

algorithmiccamerawomancamerawomencongressmancongressmencontretempsgastronomiclogarithmicunperformedaircraftmanaircraftmencentrosomesgastronomesheteronymicinteratomicsupernormalbimorphemicnonorgasmicprefreshmanprefreshmen

About this list

Words
20 (9 common words)
Common example
algorithmic
Rare example
prefreshmen
Doubled letters
2
Ending in S
3
Most frequent letter
N (17)

Questions

How many 11-letter words matching ____r___m__ are there?

20. 9 of them are common words.

What is a common example?

ALGORITHMIC is among the common words in this set.