run down vs run over

run down and run over both are verbs.

Word	Noun	Adjective	Verb	Adverb
run down	No	No	Yes	No
run over	No	No	Yes	No

As verbs, run down and run over are synonyms defined as:

run down and run over: injure or kill by knocking (someone or something) down and passing over the body, as with a vehicle

run down (verb)	run over (verb)
use up all one's strength and energy and stop working	injure or kill by knocking (someone or something) down and passing over the body, as with a vehicle
injure or kill by knocking (someone or something) down and passing over the body, as with a vehicle	flow or run over (a limit or brim)
pursue until captured
move downward
examine hastily
deplete
trace