worsted yarn vs worsted

worsted yarn and worsted both are nouns.

Word	Noun	Adjective	Verb	Adverb
worsted yarn	Yes	No	No	No
worsted	Yes	No	No	No

As nouns, worsted yarn and worsted are synonyms defined as:

worsted yarn and worsted: a tightly twisted woolen yarn spun from long-staple wool

worsted yarn (noun)	worsted (noun)
a tightly twisted woolen yarn spun from long-staple wool	a woolen fabric with a hard textured surface and no nap; woven of worsted yarns "he wore a worsted suit"
	a tightly twisted woolen yarn spun from long-staple wool