swamp pine vs pine

swamp pine and pine both are nouns.

Word	Noun	Adjective	Verb	Adverb
swamp pine	Yes	No	No	No
pine	Yes	No	Yes	No

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

swamp pine: any of several pines that prefer or endure moist situations such as loblolly pine or longleaf pine
pine: a coniferous tree

Other hypernyms of swamp pine include pine tree, true pine.

swamp pine (noun)	pine (noun)
any of several pines that prefer or endure moist situations such as loblolly pine or longleaf pine	a coniferous tree
	straight-grained durable and often resinous white to yellowish timber of any of numerous trees of the genus Pinus

swamp pine (verb)	pine (verb)
	have a desire for something or someone who is not present