European nut pine vs pine tree

European nut pine and pine tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
European nut pine	Yes	No	No	No
pine tree	Yes	No	No	No

As nouns, pine tree is a hypernym of European nut pine; that is, pine tree is a word with a broader meaning than European nut pine:

European nut pine: medium-sized two-needled pine of southern Europe having a spreading crown; widely cultivated for its sweet seeds that resemble almonds
pine tree: a coniferous tree

Other hypernyms of European nut pine include pine, true pine.

European nut pine (noun)	pine tree (noun)
medium-sized two-needled pine of southern Europe having a spreading crown; widely cultivated for its sweet seeds that resemble almonds	a coniferous tree