privet andromeda vs shrub

privet andromeda and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
privet andromeda	Yes	No	No	No
shrub	Yes	No	No	No

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

privet andromeda: deciduous much-branched shrub with dense downy panicles of small bell-shaped white flowers
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of privet andromeda include bush.

privet andromeda (noun)	shrub (noun)
deciduous much-branched shrub with dense downy panicles of small bell-shaped white flowers	a low woody perennial plant usually having several major stems