coconut palm vs coconut tree

coconut palm and coconut tree both are nouns.

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

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

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

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

coconut palm (noun)	coconut tree (noun)
tall palm tree bearing coconuts as fruits; widely planted throughout the tropics	tall palm tree bearing coconuts as fruits; widely planted throughout the tropics