dynamics vs mechanics

dynamics and mechanics both are nouns.

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

As nouns, mechanics is a hypernym of dynamics; that is, mechanics is a word with a broader meaning than dynamics:

dynamics: the branch of mechanics concerned with the forces that cause motions of bodies
mechanics: the branch of physics concerned with the motion of bodies in a frame of reference

dynamics (noun)	mechanics (noun)
the branch of mechanics concerned with the forces that cause motions of bodies	the technical aspects of doing something
	the branch of physics concerned with the motion of bodies in a frame of reference