false buckthorn vs black haw

false buckthorn and black haw both are nouns.

Word	Noun	Adjective	Verb	Adverb
false buckthorn	Yes	No	No	No
black haw	Yes	No	No	No

As nouns, false buckthorn and black haw are synonyms defined as:

false buckthorn and black haw: deciduous tree of southeastern United States and Mexico

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

false buckthorn (noun)	black haw (noun)
deciduous tree of southeastern United States and Mexico	upright deciduous shrub having frosted dark-blue fruit; east and east central North America
	deciduous tree of southeastern United States and Mexico