carded yarn vs yarn

carded yarn and yarn both are nouns.

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

As nouns, yarn is a hypernym of carded yarn; that is, yarn is a word with a broader meaning than carded yarn:

carded yarn: yarn that has undergone the carding process, but not the combing process.
yarn: a fine cord of twisted fibers (of cotton or silk or wool or nylon etc.) used in sewing and weaving

Other hypernyms of carded yarn include thread.

carded yarn (noun)	yarn (noun)
yarn that has undergone the carding process, but not the combing process.	a fine cord of twisted fibers (of cotton or silk or wool or nylon etc.) used in sewing and weaving
	the act of giving an account describing incidents or a course of events

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