15-Letter Words Matching ________R_____M

There are 16 15-letter words that match ________R_____M. 4 are common words, such as HUMANITARIANISM and HYPERTHYROIDISM. A rarer one is THERMOPERIODISM. 0 words contain a doubled letter.

Full list 16

humanitarianismhyperthyroidismphotojournalismtotalitarianismhereditarianismmajoritarianismmicrosporangiumpresbyterianismsublapsarianismsuperpatriotismubiquitarianismantimaterialismequalitarianismfutilitarianismneoconservatismthermoperiodism

About this list

Words
16 (4 common words)
Common example
humanitarianism
Rare example
thermoperiodism
Doubled letters
0
Ending in S
0

Questions

How many 15-letter words matching ________r_____m are there?

16. 4 of them are common words.

What is a common example?

HUMANITARIANISM is among the common words in this set.