guelder rose vs cranberry tree

guelder rose and cranberry tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
guelder rose	Yes	No	No	No
cranberry tree	Yes	No	No	No

As nouns, guelder rose and cranberry tree are synonyms defined as:

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

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

guelder rose (noun)	cranberry tree (noun)
deciduous thicket-forming Old World shrub with clusters of white flowers and small bright red berries	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