five-finger vs shrub

five-finger and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
five-finger	Yes	No	No	No
shrub	Yes	No	No	No

As nouns, shrub is a hypernym of five-finger; that is, shrub is a word with a broader meaning than five-finger:

five-finger: any of a numerous plants grown for their five-petaled flowers; abundant in temperate regions; alleged to have medicinal properties
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of five-finger include bush.

five-finger (noun)	shrub (noun)
any of a numerous plants grown for their five-petaled flowers; abundant in temperate regions; alleged to have medicinal properties	a low woody perennial plant usually having several major stems