lineage vs folk

lineage and folk both are nouns.

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

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

Other hyponyms of lineage include family, family line, kinfolk, kinsfolk, phratry, sept, side, breed line.

lineage (noun)	folk (noun)
inherited properties shared with others of your bloodline	the traditional and typically anonymous music that is an expression of the life of people in a community
the hereditary derivation of an individual	people in general (often used in the plural)
a rate of payment for written material that is measured according to the number of lines submitted	a social division of (usually preliterate) people
the number of lines in a piece of printed material	people descended from a common ancestor
the kinship relation between an individual and the individual's progenitors