continuation vs sequel

continuation and sequel both are nouns.

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

As nouns, continuation and sequel are synonyms defined as:

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

continuation (noun)	sequel (noun)
the act of continuing an activity without interruption	a part added to a book or play that continues and extends it
the consequence of being lengthened in duration	something that follows something else
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