chittimwood vs bearberry

chittimwood and bearberry both are nouns.

Word	Noun	Adjective	Verb	Adverb
chittimwood	Yes	No	No	No
bearberry	Yes	No	No	No

As nouns, chittimwood and bearberry are synonyms defined as:

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

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

chittimwood (noun)	bearberry (noun)
deciduous tree of southeastern United States and Mexico	chiefly evergreen subshrubs of northern to Arctic areas
shrubby tree of the Pacific coast of the United States; yields cascara sagrada	deciduous shrub of southeastern and central United States
	shrubby tree of the Pacific coast of the United States; yields cascara sagrada