track down vs snipe

track down is not a noun while snipe is a noun.

Word	Noun	Adjective	Verb	Adverb
track down	No	No	Yes	No
snipe	Yes	No	Yes	No

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

track down (noun)	snipe (noun)
	a gunshot from a concealed location
	Old or New World straight-billed game bird of the sandpiper family; of marshy areas; similar to the woodcocks

track down (verb)	snipe (verb)
pursue for food or sport (as of wild animals)	attack in speech or writing
	aim and shoot with great precision
	hunt or shoot snipe