bearwood vs Rhamnus purshianus

bearwood and Rhamnus purshianus both are nouns.

Word	Noun	Adjective	Verb	Adverb
bearwood	Yes	No	No	No
Rhamnus purshianus	Yes	No	No	No

As nouns, bearwood and Rhamnus purshianus are synonyms defined as:

bearwood and Rhamnus purshianus: shrubby tree of the Pacific coast of the United States; yields cascara sagrada

Other synonyms of bearwood include bearberry, cascara buckthorn, chittamwood, chittimwood.

bearwood (noun)	Rhamnus purshianus (noun)
shrubby tree of the Pacific coast of the United States; yields cascara sagrada	shrubby tree of the Pacific coast of the United States; yields cascara sagrada