winterberry vs Ilex decidua

winterberry and Ilex decidua both are nouns.

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

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

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

Other synonyms of winterberry include bearberry, possum haw.

winterberry (noun)	Ilex decidua (noun)
deciduous shrub of southeastern and central United States	deciduous shrub of southeastern and central United States