southern cypress vs southern cypress

southern cypress and southern cypress both are nouns.

Word	Noun	Adjective	Verb	Adverb
southern cypress	Yes	No	No	No
southern cypress	Yes	No	No	No

southern cypress (noun)	southern cypress (noun)
common cypress of southeastern United States having trunk expanded at base; found in coastal swamps and flooding river bottoms	common cypress of southeastern United States having trunk expanded at base; found in coastal swamps and flooding river bottoms
wood of a common cypress of southeastern United States having trunk expanded at base; found in coastal swamps and flooding river bottoms	wood of a common cypress of southeastern United States having trunk expanded at base; found in coastal swamps and flooding river bottoms