cowberry vs mountain cranberry

cowberry and mountain cranberry both are nouns.

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

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

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

Other synonyms of cowberry include lingonberry, lowbush cranberry.

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

cowberry and mountain cranberry: low evergreen shrub of high north temperate regions of Europe and Asia and America bearing red edible berries

Other synonyms of cowberry include foxberry, lingberry, lingenberry, lingonberry, Vaccinium vitis-idaea.

cowberry (noun)	mountain 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	low evergreen shrub of high north temperate regions of Europe and Asia and America bearing red edible berries