black haw vs chittimwood

black haw and chittimwood both are nouns.

Word	Noun	Adjective	Verb	Adverb
black haw	Yes	No	No	No
chittimwood	Yes	No	No	No

As nouns, black haw and chittimwood are synonyms defined as:

black haw and chittimwood: deciduous tree of southeastern United States and Mexico

Other synonyms of black haw include Bumelia lanuginosa, chittamwood, false buckthorn, shittimwood.

black haw (noun)	chittimwood (noun)
upright deciduous shrub having frosted dark-blue fruit; east and east central North America	deciduous tree of southeastern United States and Mexico
deciduous tree of southeastern United States and Mexico	shrubby tree of the Pacific coast of the United States; yields cascara sagrada