twinberry vs boxberry

twinberry and boxberry both are nouns.

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

As nouns, twinberry and boxberry are synonyms defined as:

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

Other synonyms of twinberry include Mitchella repens, partridgeberry.

twinberry (noun)	boxberry (noun)
shrubby honeysuckle with purple flowers; western North America	spicy red berrylike fruit; source of wintergreen oil
creeping woody plant of eastern North America with shiny evergreen leaves and scarlet berries	creeping woody plant of eastern North America with shiny evergreen leaves and scarlet berries