cascara buckthorn vs chittimwood

cascara buckthorn and chittimwood both are nouns.

Word	Noun	Adjective	Verb	Adverb
cascara buckthorn	Yes	No	No	No
chittimwood	Yes	No	No	No

As nouns, cascara buckthorn and chittimwood are synonyms defined as:

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

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

cascara buckthorn (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