Nephelium litchi vs fruit tree

Nephelium litchi and fruit tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
Nephelium litchi	Yes	No	No	No
fruit tree	Yes	No	No	No

As nouns, fruit tree is a hypernym of Nephelium litchi; that is, fruit tree is a word with a broader meaning than Nephelium litchi:

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

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