cranberry tree vs European cranberry bush

cranberry tree and European cranberry bush both are nouns.

Word	Noun	Adjective	Verb	Adverb
cranberry tree	Yes	No	No	No
European cranberry bush	Yes	No	No	No

As nouns, cranberry tree and European cranberry bush are synonyms defined as:

cranberry tree and European cranberry bush: deciduous thicket-forming Old World shrub with clusters of white flowers and small bright red berries

Other synonyms of cranberry tree include crampbark, European cranberrybush, guelder rose, Viburnum opulus.

cranberry tree (noun)	European cranberry bush (noun)
deciduous North American shrub or small tree having three-lobed leaves and red berries	deciduous thicket-forming Old World shrub with clusters of white flowers and small bright red berries
deciduous thicket-forming Old World shrub with clusters of white flowers and small bright red berries