highbush cranberry vs cranberry bush

highbush cranberry and cranberry bush both are nouns.

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

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

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

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

highbush cranberry (noun)	cranberry bush (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