sand berry vs sandberry

sand berry and sandberry both are nouns.

Word	Noun	Adjective	Verb	Adverb
sand berry	Yes	No	No	No
sandberry	Yes	No	No	No

As nouns, sand berry and sandberry are synonyms defined as:

sand berry and sandberry: 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)	sandberry (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