cascara buckthorn vs chittamwood

cascara buckthorn and chittamwood both are nouns.

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

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

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

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

cascara buckthorn (noun)	chittamwood (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
	shrubby tree of southern United States having large plumes of feathery flowers resembling puffs of smoke