cocoanut vs Cocos nucifera

cocoanut and Cocos nucifera both are nouns.

Word	Noun	Adjective	Verb	Adverb
cocoanut	Yes	No	No	No
Cocos nucifera	Yes	No	No	No

cocoanut (noun)	Cocos nucifera (noun)
large hard-shelled oval nut with a fibrous husk containing thick white meat surrounding a central cavity filled (when fresh) with fluid or milk	tall palm tree bearing coconuts as fruits; widely planted throughout the tropics