partridgeberry vs boxberry

partridgeberry and boxberry both are nouns.

Word	Noun	Adjective	Verb	Adverb
partridgeberry	Yes	No	No	No
boxberry	Yes	No	No	No

As nouns, partridgeberry and boxberry are synonyms defined as:

partridgeberry and boxberry: creeping woody plant of eastern North America with shiny evergreen leaves and scarlet berries

Other synonyms of partridgeberry include Mitchella repens, twinberry.

partridgeberry (noun)	boxberry (noun)
creeping woody plant of eastern North America with shiny evergreen leaves and scarlet berries	spicy red berrylike fruit; source of wintergreen oil
	creeping woody plant of eastern North America with shiny evergreen leaves and scarlet berries