sweet shrub vs Carolina allspice

sweet shrub and Carolina allspice both are nouns.

Word	Noun	Adjective	Verb	Adverb
sweet shrub	Yes	No	No	No
Carolina allspice	Yes	No	No	No

As nouns, sweet shrub and Carolina allspice are synonyms defined as:

sweet shrub and Carolina allspice: hardy shrub of southeastern United States having clove-scented wood and fragrant red-brown flowers

Other synonyms of sweet shrub include Calycanthus floridus, strawberry bush, strawberry shrub.

sweet shrub (noun)	Carolina allspice (noun)
hardy shrub of southeastern United States having clove-scented wood and fragrant red-brown flowers	hardy shrub of southeastern United States having clove-scented wood and fragrant red-brown flowers