American cranberry bush vs highbush cranberry

American cranberry bush and highbush cranberry both are nouns.

Word	Noun	Adjective	Verb	Adverb
American cranberry bush	Yes	No	No	No
highbush cranberry	Yes	No	No	No

As nouns, American cranberry bush and highbush cranberry are synonyms defined as:

American cranberry bush and highbush cranberry: deciduous North American shrub or small tree having three-lobed leaves and red berries

Other synonyms of American cranberry bush include cranberry bush, cranberry tree, Viburnum trilobum.

American cranberry bush (noun)	highbush cranberry (noun)
deciduous North American shrub or small tree having three-lobed leaves and red berries	deciduous North American shrub or small tree having three-lobed leaves and red berries