13-Letter Words Matching _____M___R___

There are 17 13-letter words that match _____M___R___. 5 are common words, such as DISSIMILARITY and GALLIMAUFRIES. A rarer one is TRANSMEMBRANE. In this set, I is the most frequent open letter (16 words). 6 words contain a doubled letter.

Full list 17

dissimilaritygallimaufriespreliminariesreformatoriestoastmistressarchimandritebalsamiferoushousemistresspreliminarilyaxisymmetriesdissymmetrieshistaminergicinformatorilyintermembranemonoaminergicsupermajoritytransmembrane

About this list

Words
17 (5 common words)
Common example
dissimilarity
Rare example
transmembrane
Doubled letters
6
Ending in S
8
Most frequent letter
I (16)

Questions

How many 13-letter words matching _____m___r___ are there?

17. 5 of them are common words.

What is a common example?

DISSIMILARITY is among the common words in this set.