yarn vs worsted yarn

yarn and worsted yarn both are nouns.

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

As nouns, worsted yarn is a hyponym of yarn; that is, worsted yarn is a word with a more specific, narrower meaning than yarn:

yarn: a fine cord of twisted fibers (of cotton or silk or wool or nylon etc.) used in sewing and weaving
worsted yarn: a tightly twisted woolen yarn spun from long-staple wool

yarn (noun)	worsted yarn (noun)
a fine cord of twisted fibers (of cotton or silk or wool or nylon etc.) used in sewing and weaving	a tightly twisted woolen yarn spun from long-staple wool
the act of giving an account describing incidents or a course of events

yarn (verb)	worsted yarn (verb)
tell or spin a yarn