durian tree vs fruit tree

durian tree and fruit tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
durian tree	Yes	No	No	No
fruit tree	Yes	No	No	No

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

durian tree: tree of southeastern Asia having edible oval fruit with a hard spiny rind
fruit tree: tree bearing edible fruit

durian tree (noun)	fruit tree (noun)
tree of southeastern Asia having edible oval fruit with a hard spiny rind	tree bearing edible fruit