sweet woodruff vs sweet woodruff

sweet woodruff and sweet woodruff both are nouns.

Word	Noun	Adjective	Verb	Adverb
sweet woodruff	Yes	No	No	No
sweet woodruff	Yes	No	No	No

sweet woodruff (noun)	sweet woodruff (noun)
fragrant dark green leaves used to flavor May wine	fragrant dark green leaves used to flavor May wine
Old World fragrant stoloniferous perennial having small white flowers and narrow leaves used as flavoring and in sachets; widely cultivated as a ground cover; in some classifications placed in genus Asperula	Old World fragrant stoloniferous perennial having small white flowers and narrow leaves used as flavoring and in sachets; widely cultivated as a ground cover; in some classifications placed in genus Asperula