mallow vs bush

mallow and bush both are nouns.

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

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

Other hypernyms of mallow include shrub.

mallow (noun)	bush (noun)
any of various plants of the family Malvaceae	hair growing in the pubic area
	dense vegetation consisting of stunted trees or bushes
	a large wilderness area
	a low woody perennial plant usually having several major stems

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

mallow (verb)	bush (verb)
	provide with a bushing