narrate vs yarn

narrate is not a noun while yarn is a noun.

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

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

Other hyponyms of narrate include relate, crack, rhapsodise, rhapsodize.

narrate (noun)	yarn (noun)
	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

narrate (verb)	yarn (verb)
narrate or give a detailed account of	tell or spin a yarn
provide commentary for a film, for example