haw vs bush

haw and bush both are nouns.

Word	Noun	Adjective	Verb	Adverb
haw	Yes	No	Yes	No
bush	Yes	Yes	Yes	No

As nouns, bush is a hypernym of haw; that is, bush is a word with a broader meaning than haw:

Other hypernyms of haw include shrub.

haw (noun)	bush (noun)
the nictitating membrane of a horse	hair growing in the pubic area
a spring-flowering shrub or small tree of the genus Crataegus	dense vegetation consisting of stunted trees or bushes
	a large wilderness area
	a low woody perennial plant usually having several major stems

haw (adjective)	bush (adjective)
	not of the highest quality or sophistication

haw (verb)	bush (verb)
utter `haw'	provide with a bushing