mucuna vs shrub

mucuna and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
mucuna	Yes	No	No	No
shrub	Yes	No	No	No

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

mucuna: any of several erect or climbing woody plants of the genus Mucuna; widespread in tropics of both hemispheres
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of mucuna include bush.

mucuna (noun)	shrub (noun)
any of several erect or climbing woody plants of the genus Mucuna; widespread in tropics of both hemispheres	a low woody perennial plant usually having several major stems