litchi nut vs litchee

litchi nut and litchee both are nouns.

Word	Noun	Adjective	Verb	Adverb
litchi nut	Yes	No	No	No
litchee	Yes	No	No	No

As nouns, litchi nut and litchee are synonyms defined as:

litchi nut and litchee: Chinese fruit having a thin brittle shell enclosing a sweet jellylike pulp and a single seed; often dried

Other synonyms of litchi nut include leechee, lichee, lichi, litchi, lychee.

litchi nut (noun)	litchee (noun)
Chinese fruit having a thin brittle shell enclosing a sweet jellylike pulp and a single seed; often dried	Chinese fruit having a thin brittle shell enclosing a sweet jellylike pulp and a single seed; often dried