outcome vs sequel

outcome and sequel both are nouns.

Word	Noun	Adjective	Verb	Adverb
outcome	Yes	No	No	No
sequel	Yes	No	No	No

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

Other hyponyms of outcome include denouement, deal, decision, decision, aftermath, consequence, separation, subsequence, worst.

outcome (noun)	sequel (noun)
something that results	a part added to a book or play that continues and extends it
a phenomenon that follows and is caused by some previous phenomenon	something that follows something else