sequel vs continuation

sequel and continuation both are nouns.

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

As nouns, sequel and continuation are synonyms defined as:

sequel and continuation: a part added to a book or play that continues and extends it

sequel (noun)	continuation (noun)
a part added to a book or play that continues and extends it	the act of continuing an activity without interruption
something that follows something else	the consequence of being lengthened in duration
	a Gestalt principle of organization holding that there is an innate tendency to perceive a line as continuing its established direction
	a part added to a book or play that continues and extends it