hunt down vs hawk

hunt down is not a noun while hawk is a noun.

Word	Noun	Adjective	Verb	Adverb
hunt down	No	No	Yes	No
hawk	Yes	No	Yes	No

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

hunt down (noun)	hawk (noun)
	diurnal bird of prey typically having short rounded wings and a long tail
	a square board with a handle underneath; used by masons to hold or carry mortar
	an advocate of an aggressive policy on foreign relations

hunt down (verb)	hawk (verb)
pursue for food or sport (as of wild animals)	clear mucus or food from one's throat
	hunt with hawks
	sell or offer for sale from place to place