11-Letter Words Matching ____R_____M

There are 26 11-letter words that match ____R_____M. 8 are common words, such as AGRARIANISM and DETERMINISM. A rarer one is SUPERORGASM. In this set, I is the most frequent open letter (23 words). 5 words contain a doubled letter.

Full list 26

Common words

agrarianismdeterminismimperialisminterregnummaterialismopportunismpaternalismquadrenniumantirrhinumaspergillumaspersoriumdiversiform
agrarianismdeterminismimperialisminterregnummaterialismopportunismpaternalismquadrenniumantirrhinumaspergillumaspersoriumdiversiformexternalismhistrionismhyperbolismlibertinismmanorialismmaternalismpelargoniumsuperphylumsupersystemantirealismarteriogramheteroecismintersystemsuperorgasm

About this list

Words
26 (8 common words)
Common example
agrarianism
Rare example
superorgasm
Doubled letters
5
Ending in S
0
Most frequent letter
I (23)

Questions

How many 11-letter words matching ____r_____m are there?

26. 8 of them are common words.

What is a common example?

AGRARIANISM is among the common words in this set.