folk vs origin

folk and origin both are nouns.

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

As nouns, origin is a hypernym of folk; that is, origin is a word with a broader meaning than folk:

folk (noun)	origin (noun)
the traditional and typically anonymous music that is an expression of the life of people in a community	properties attributable to your ancestry
people in general (often used in the plural)	the point of intersection of coordinate axes; where the values of the coordinates are all zero
a social division of (usually preliterate) people	an event that is a beginning; a first part or stage of subsequent events
people descended from a common ancestor	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