tolu vs Myroxylon toluiferum

tolu and Myroxylon toluiferum both are nouns.

Word	Noun	Adjective	Verb	Adverb
tolu	Yes	No	No	No
Myroxylon toluiferum	Yes	No	No	No

tolu (noun)	Myroxylon toluiferum (noun)
aromatic yellowish brown balsam from the tolu balsam tree used especially in cough syrups	medium-sized tropical American tree yielding tolu balsam and a fragrant hard wood used for high-grade furniture and cabinetwork