spice bush vs American spicebush

spice bush and American spicebush both are nouns.

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

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

spice bush and American spicebush: 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 spice bush include Benjamin bush, Benzoin odoriferum, Lindera benzoin, spicebush.

spice bush (noun)	American spicebush (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