frankincense pine vs pine tree

frankincense pine and pine tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
frankincense pine	Yes	No	No	No
pine tree	Yes	No	No	No

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

frankincense pine: tall spreading three-needled pine of southeastern United States having reddish-brown fissured bark and a full bushy upper head
pine tree: a coniferous tree

Other hypernyms of frankincense pine include pine, true pine.

frankincense pine (noun)	pine tree (noun)
tall spreading three-needled pine of southeastern United States having reddish-brown fissured bark and a full bushy upper head	a coniferous tree