Oregon grape vs shrub

Oregon grape and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
Oregon grape	Yes	No	No	No
shrub	Yes	No	No	No

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

Oregon grape: ornamental evergreen shrub of Pacific coast of North America having dark green pinnate leaves and racemes of yellow flowers followed by blue-black berries
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of Oregon grape include bush.

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

Oregon grape: small shrub with grey-green leaves and yellow flowers followed by glaucous blue berries
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of Oregon grape include bush.

Oregon grape (noun)	shrub (noun)
ornamental evergreen shrub of Pacific coast of North America having dark green pinnate leaves and racemes of yellow flowers followed by blue-black berries	a low woody perennial plant usually having several major stems
small shrub with grey-green leaves and yellow flowers followed by glaucous blue berries