Nephelium litchi vs Litchi chinensis

Nephelium litchi and Litchi chinensis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Nephelium litchi	Yes	No	No	No
Litchi chinensis	Yes	No	No	No

As nouns, Nephelium litchi and Litchi chinensis are synonyms defined as:

Nephelium litchi and Litchi chinensis: Chinese tree cultivated especially in Philippines and India for its edible fruit; sometimes placed in genus Nephelium

Other synonyms of Nephelium litchi include lichee, litchi, litchi tree.

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