cowberry vs lowbush cranberry

cowberry and lowbush cranberry both are nouns.

Word	Noun	Adjective	Verb	Adverb
cowberry	Yes	No	No	No
lowbush cranberry	Yes	No	No	No

As nouns, cowberry and lowbush cranberry are synonyms defined as:

cowberry and lowbush cranberry: tart red berries similar to American cranberries but smaller

Other synonyms of cowberry include lingonberry, mountain cranberry.

cowberry (noun)	lowbush cranberry (noun)
tart red berries similar to American cranberries but smaller	tart red berries similar to American cranberries but smaller
low evergreen shrub of high north temperate regions of Europe and Asia and America bearing red edible berries