originality vs novelty

originality and novelty both are nouns.

Word	Noun	Adjective	Verb	Adverb
originality	Yes	No	No	No
novelty	Yes	No	No	No

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

originality: the quality of being new and original (not derived from something else)
novelty: originality by virtue of being refreshingly novel

Other hyponyms of originality include freshness, heterodoxy, unorthodoxy.

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

Other hyponyms of originality include innovativeness, unconventionality, freshness.

originality (noun)	novelty (noun)
the quality of being new and original (not derived from something else)	cheap showy jewelry or ornament on clothing
the ability to think and act independently	a small inexpensive mass-produced article
	originality by virtue of being refreshingly novel
	originality by virtue of being new and surprising