litchee vs litchi

litchee and litchi both are nouns.

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

As nouns, litchee and litchi are synonyms defined as:

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

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

litchee (noun)	litchi (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
	Chinese tree cultivated especially in Philippines and India for its edible fruit; sometimes placed in genus Nephelium