coconut vs coconut palm

coconut and coconut palm both are nouns.

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

As nouns, coconut and coconut palm are synonyms defined as:

coconut and coconut palm: tall palm tree bearing coconuts as fruits; widely planted throughout the tropics

Other synonyms of coconut include coco, coco palm, cocoa palm, coconut tree, Cocos nucifera.

coconut (noun)	coconut palm (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
the edible white meat of a coconut; often shredded for use in e.g. cakes and curries
tall palm tree bearing coconuts as fruits; widely planted throughout the tropics