12-Letter Words Matching _____RM_____

There are 28 12-letter words that match _____RM_____. 11 are common words, such as BOILERMAKERS and CONFIRMATION. A rarer one is SCHWARMEREIS. In this set, O is the most frequent open letter (24 words). 3 words contain a doubled letter.

Full list 28

Common words

boilermakersconfirmationconformancesconformationconformitiesconterminousdisharmoniesmalformationmastermindedperformancesuniformitiesconfirmatory
boilermakersconfirmationconformancesconformationconformitiesconterminousdisharmoniesmalformationmastermindedperformancesuniformitiesconfirmatorycostermongergendarmeriesharbormasternonpermanentnonpermeableperformativesubnormalitydisharmonizelognormalitynonnormativeperformatorypreformationpreformattedpreformulatepretermittedschwarmereis

About this list

Words
28 (11 common words)
Common example
boilermakers
Rare example
schwarmereis
Doubled letters
3
Ending in S
9
Most frequent letter
O (24)

Questions

How many 12-letter words matching _____rm_____ are there?

28. 11 of them are common words.

What is a common example?

BOILERMAKERS is among the common words in this set.