sand berry vs bear's grape

sand berry and bear's grape both are nouns.

Word	Noun	Adjective	Verb	Adverb
sand berry	Yes	No	No	No
bear's grape	Yes	No	No	No

As nouns, sand berry and bear's grape are synonyms defined as:

sand berry and bear's grape: evergreen mat-forming shrub of North America and northern Eurasia having small white flowers and red berries; leaves turn red in autumn

sand berry (noun)	bear's grape (noun)
evergreen mat-forming shrub of North America and northern Eurasia having small white flowers and red berries; leaves turn red in autumn	evergreen mat-forming shrub of North America and northern Eurasia having small white flowers and red berries; leaves turn red in autumn