ivory nut vs apple nut

ivory nut and apple nut both are nouns.

Word	Noun	Adjective	Verb	Adverb
ivory nut	Yes	No	No	No
apple nut	Yes	No	No	No

As nouns, ivory nut and apple nut are synonyms defined as:

ivory nut and apple nut: nutlike seed of a South American palm; the hard white shell takes a high polish and is used for e.g. buttons

Other synonyms of ivory nut include vegetable ivory.

ivory nut (noun)	apple nut (noun)
nutlike seed of a South American palm; the hard white shell takes a high polish and is used for e.g. buttons	nutlike seed of a South American palm; the hard white shell takes a high polish and is used for e.g. buttons