American spicebush vs spice bush

American spicebush and spice bush both are nouns.

Word	Noun	Adjective	Verb	Adverb
American spicebush	Yes	No	No	No
spice bush	Yes	No	No	No

As nouns, American spicebush and spice bush are synonyms defined as:

American spicebush and spice bush: deciduous shrub of the eastern United States having highly aromatic leaves and bark and yellow flowers followed by scarlet or yellow berries

Other synonyms of American spicebush include Benjamin bush, Benzoin odoriferum, Lindera benzoin, spicebush.

American spicebush (noun)	spice bush (noun)
deciduous shrub of the eastern United States having highly aromatic leaves and bark and yellow flowers followed by scarlet or yellow berries	deciduous shrub of the eastern United States having highly aromatic leaves and bark and yellow flowers followed by scarlet or yellow berries