winterberry vs bearberry

winterberry and bearberry both are nouns.

Word	Noun	Adjective	Verb	Adverb
winterberry	Yes	No	No	No
bearberry	Yes	No	No	No

As nouns, winterberry and bearberry are synonyms defined as:

winterberry and bearberry: deciduous shrub of southeastern and central United States

Other synonyms of winterberry include Ilex decidua, possum haw.

winterberry (noun)	bearberry (noun)
deciduous shrub of southeastern and central United States	chiefly evergreen subshrubs of northern to Arctic areas
	deciduous shrub of southeastern and central United States
	shrubby tree of the Pacific coast of the United States; yields cascara sagrada