Rhamnus purshianus vs chittimwood

Rhamnus purshianus and chittimwood both are nouns.

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

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

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

Other synonyms of Rhamnus purshianus include bearberry, bearwood, cascara buckthorn, chittamwood.

Rhamnus purshianus (noun)	chittimwood (noun)
shrubby tree of the Pacific coast of the United States; yields cascara sagrada	deciduous tree of southeastern United States and Mexico
	shrubby tree of the Pacific coast of the United States; yields cascara sagrada