origin vs wellspring

origin and wellspring both are nouns.

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

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

origin (noun)	wellspring (noun)
properties attributable to your ancestry	an abundant source
the point of intersection of coordinate axes; where the values of the coordinates are all zero	the source of water for a well
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