sequel vs termination

sequel and termination both are nouns.

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

As nouns, termination is a hypernym of sequel; that is, termination is a word with a broader meaning than sequel:

Other hypernyms of sequel include final result, outcome, result, resultant.

sequel (noun)	termination (noun)
a part added to a book or play that continues and extends it	the act of ending something
something that follows something else	the end of a word (a suffix or inflectional ending or final morpheme)
	something that results
	a place where something ends or is complete
	a coming to an end of a contract period