staggerbush vs shrub

staggerbush and shrub both are nouns.

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

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

staggerbush: deciduous shrub of coastal plain of the eastern United States having nodding pinkish-white flowers; poisonous to stock
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of staggerbush include bush.

staggerbush (noun)	shrub (noun)
deciduous shrub of coastal plain of the eastern United States having nodding pinkish-white flowers; poisonous to stock	a low woody perennial plant usually having several major stems