14-Letter Words Matching ____M____R____

There are 18 14-letter words that match ____M____R____. 3 are common words, such as CINEMATOGRAPHY and INDEMONSTRABLE. A rarer one is UNCOMPUTERIZED. 1 words contain a doubled letter.

Full list 18

cinematographyindemonstrableoleomargarineschromatographyheadmastershipundemonstrablechromatographscinematographsdocumentariansdocumentaristsfellmongeringsindemonstrablyplasmapheresesplasmapheresispneumothoracespneumothoraxespostmastershipuncomputerized

About this list

Words
18 (3 common words)
Common example
cinematography
Rare example
uncomputerized
Doubled letters
1
Ending in S
10

Questions

How many 14-letter words matching ____m____r____ are there?

18. 3 of them are common words.

What is a common example?

CINEMATOGRAPHY is among the common words in this set.