sandberry vs sand berry

sandberry and sand berry both are nouns.

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

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

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

sandberry (noun)	sand berry (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