genus Melicoccus vs Spanish lime

genus Melicoccus and Spanish lime both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Melicoccus	Yes	No	No	No
Spanish lime	Yes	No	No	No

genus Melicoccus (noun)	Spanish lime (noun)
tropical American trees and shrubs bearing berries	round one-inch Caribbean fruit with green leathery skin and sweet juicy translucent pulp; eaten like grapes
	tropical American tree bearing a small edible fruit with green leathery skin and sweet juicy translucent pulp