11-Letter Words Matching ____M_R____

There are 64 11-letter words that match ____M_R____. 20 are common words, such as AQUAMARINES and BOOKMARKING. A rarer one is ZYGOMORPHIC. In this set, I is the most frequent open letter (50 words). 15 words contain a doubled letter.

Full list 64

Common words

aquamarinesbookmarkingbulimarexiaencumbranceephemerallyglimmeringsgrammarianshallmarkinginfomercialinnumerableinnumerablymetamorphic
aquamarinesbookmarkingbulimarexiaencumbranceephemerallyglimmeringsgrammarianshallmarkinginfomercialinnumerableinnumerablymetamorphicoutsmartingpockmarkingpolymerizedpolymerizespostmarkingpostmortemsremembrancerigamarolespolymorphicunmemorableallomerismsallomorphicbookmarkersbulimarexicdenumerabledisembroilsectomorphicendomorphicfrogmarchedfrogmarcheshemimorphicholomorphicidiomorphicmeromorphicmesomorphicmonomorphicpolymerasespostmaritaltheomorphicunmemorizedxenomorphicdenumerablyephemerideseuhemerismseuhemeristsfreemartinshalomorphichomomorphichypomorphicignimbritesinnumeratesmetamerismspleomorphicpolymerisedpolymerisespolymerismspreemergentquagmiriestreimmersingsubumbrellaunmemorablyzygomorphic

About this list

Words
64 (20 common words)
Common example
aquamarines
Rare example
zygomorphic
Doubled letters
15
Ending in S
20
Most frequent letter
I (50)

Questions

How many 11-letter words matching ____m_r____ are there?

64. 20 of them are common words.

What is a common example?

AQUAMARINES is among the common words in this set.