pursue vs run down

pursue and run down both are verbs.

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

As verbs, run down is a hyponym of pursue; that is, run down is a word with a more specific, narrower meaning than pursue:

Other hyponyms of pursue include check out.

pursue (verb)	run down (verb)
go in search of or hunt for	use up all one's strength and energy and stop working
follow in or as if in pursuit	injure or kill by knocking (someone or something) down and passing over the body, as with a vehicle
carry out or participate in an activity; be involved in	pursue until captured
carry further or advance	move downward
	examine hastily
	deplete
	trace