prickly pine vs hickory pine

prickly pine and hickory pine both are nouns.

Word	Noun	Adjective	Verb	Adverb
prickly pine	Yes	No	No	No
hickory pine	Yes	No	No	No

As nouns, prickly pine and hickory pine are synonyms defined as:

prickly pine and hickory pine: a small two-needled upland pine of the eastern United States (Appalachians) having dark brown flaking bark and thorn-tipped cone scales

Other synonyms of prickly pine include Pinus pungens, table-mountain pine.

prickly pine (noun)	hickory pine (noun)
a small two-needled upland pine of the eastern United States (Appalachians) having dark brown flaking bark and thorn-tipped cone scales	a small two-needled upland pine of the eastern United States (Appalachians) having dark brown flaking bark and thorn-tipped cone scales