almond tree vs fruit tree

almond tree and fruit tree both are nouns.

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

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

almond tree: any of several small bushy trees having pink or white blossoms and usually bearing nuts
fruit tree: tree bearing edible fruit

almond tree (noun)	fruit tree (noun)
any of several small bushy trees having pink or white blossoms and usually bearing nuts	tree bearing edible fruit