mechanics vs mechanism

mechanics and mechanism both are nouns.

Word	Noun	Adjective	Verb	Adverb
mechanics	Yes	No	No	No
mechanism	Yes	No	No	No

As nouns, mechanics and mechanism are synonyms defined as:

mechanics (noun)	mechanism (noun)
the technical aspects of doing something	the technical aspects of doing something
the branch of physics concerned with the motion of bodies in a frame of reference	device consisting of a piece of machinery; has moving parts that perform some function
	(philosophy) the philosophical theory that all phenomena can be explained in terms of physical or biological causes
	a natural object resembling a machine in structure or function
	the atomic process that occurs during a chemical reaction