run down vs pursue

run down and pursue both are verbs.

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

As verbs, pursue is a hypernym of run down; that is, pursue is a word with a broader meaning than run down:

Other hypernyms of run down include act on, follow up on.

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