matrimony vine vs shrub

matrimony vine and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
matrimony vine	Yes	No	No	No
shrub	Yes	No	No	No

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

matrimony vine: any of various shrubs or vines of the genus Lycium with showy flowers and bright berries
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of matrimony vine include bush.

matrimony vine (noun)	shrub (noun)
any of various shrubs or vines of the genus Lycium with showy flowers and bright berries	a low woody perennial plant usually having several major stems