bearberry vs Ilex decidua

bearberry and Ilex decidua both are nouns.

Word	Noun	Adjective	Verb	Adverb
bearberry	Yes	No	No	No
Ilex decidua	Yes	No	No	No

As nouns, bearberry and Ilex decidua are synonyms defined as:

bearberry and Ilex decidua: deciduous shrub of southeastern and central United States

Other synonyms of bearberry include possum haw, winterberry.

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