coconut palm vs cocoanut

coconut palm and cocoanut both are nouns.

Word	Noun	Adjective	Verb	Adverb
coconut palm	Yes	No	No	No
cocoanut	Yes	No	No	No

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