temple orange vs orange tree

temple orange and orange tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
temple orange	Yes	No	No	No
orange tree	Yes	No	No	No

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

temple orange: large citrus tree having large sweet deep orange fruit that is easily peeled; widely cultivated in Florida
orange tree: any citrus tree bearing oranges

Other hypernyms of temple orange include orange.

temple orange (noun)	orange tree (noun)
large sweet easily-peeled Florida fruit with deep orange rind	any citrus tree bearing oranges
large citrus tree having large sweet deep orange fruit that is easily peeled; widely cultivated in Florida