bitterwood vs Simarouba

bitterwood and Simarouba both are nouns.

Word	Noun	Adjective	Verb	Adverb
bitterwood	Yes	No	No	No
Simarouba	Yes	No	No	No

bitterwood (noun)	Simarouba (noun)
handsome South American shrub or small tree having bright scarlet flowers and yielding a valuable fine-grained yellowish wood; yields the bitter drug quassia from its wood and bark	type genus of Simaroubaceae; tropical American trees and shrubs having a pale soft wood and bitter bark
West Indian tree yielding the drug Jamaica quassia
medium to large tree of tropical North and South America having odd-pinnate leaves and long panicles of small pale yellow flowers followed by scarlet fruits