Calycanthus occidentalis vs spicebush

Calycanthus occidentalis and spicebush both are nouns.

Word	Noun	Adjective	Verb	Adverb
Calycanthus occidentalis	Yes	No	No	No
spicebush	Yes	No	No	No

As nouns, Calycanthus occidentalis and spicebush are synonyms defined as:

Calycanthus occidentalis and spicebush: straggling aromatic shrub of southwestern United States having fragrant brown flowers

Other synonyms of Calycanthus occidentalis include California allspice.

Calycanthus occidentalis (noun)	spicebush (noun)
straggling aromatic shrub of southwestern United States having fragrant brown flowers	deciduous shrub of the eastern United States having highly aromatic leaves and bark and yellow flowers followed by scarlet or yellow berries
	straggling aromatic shrub of southwestern United States having fragrant brown flowers