Common Words:
* Film
* Calm
* Team
* Dream
* Psalm
* Album
* Museum
* Problem
* System
* Kingdom
Less Common Words:
* Athem
* Bottom
* Diagram
* Emporium
* Labyrinth
* Maximum
* Minimum
* Optimum
* Rhythm
* Telegram
* Whimsical
* Random
Proper Nouns:
* Adam
* Bentham
* Malcolm
* Birmingham
* Jerusalem
This is just a small sample. There are many more words ending in "M" out there!