ancestry vs origin

ancestry and origin both are nouns.

Word	Noun	Adjective	Verb	Adverb
ancestry	Yes	No	No	No
origin	Yes	No	No	No

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

Other hyponyms of ancestry include descent, extraction, bloodline, pedigree.

As nouns, ancestry and origin are synonyms defined as:

ancestry (noun)	origin (noun)
inherited properties shared with others of your bloodline	properties attributable to your ancestry
the hereditary derivation of an individual	the point of intersection of coordinate axes; where the values of the coordinates are all zero
	an event that is a beginning; a first part or stage of subsequent events
	the hereditary derivation of an individual
	the place where something begins, where it springs into being
	the source of something's existence or from which it derives or is derived