dog laurel vs shrub

dog laurel and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
dog laurel	Yes	No	No	No
shrub	Yes	No	No	No

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

dog laurel: fast-growing evergreen shrub of southeastern United States having arching interlaced branches and racemes of white flowers
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of dog laurel include bush.

dog laurel (noun)	shrub (noun)
fast-growing evergreen shrub of southeastern United States having arching interlaced branches and racemes of white flowers	a low woody perennial plant usually having several major stems