Spanish lime tree vs fruit tree

Spanish lime tree and fruit tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
Spanish lime tree	Yes	No	No	No
fruit tree	Yes	No	No	No

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

Spanish lime tree: tropical American tree bearing a small edible fruit with green leathery skin and sweet juicy translucent pulp
fruit tree: tree bearing edible fruit

Spanish lime tree (noun)	fruit tree (noun)
tropical American tree bearing a small edible fruit with green leathery skin and sweet juicy translucent pulp	tree bearing edible fruit