sand berry vs mountain box

sand berry and mountain box both are nouns.

Word	Noun	Adjective	Verb	Adverb
sand berry	Yes	No	No	No
mountain box	Yes	No	No	No

As nouns, sand berry and mountain box are synonyms defined as:

sand berry and mountain box: 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)	mountain box (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