lineage vs sept

lineage and sept both are nouns.

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

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

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

lineage (noun)	sept (noun)
inherited properties shared with others of your bloodline	people descended from a common ancestor
the hereditary derivation of an individual
a rate of payment for written material that is measured according to the number of lines submitted
the number of lines in a piece of printed material
the kinship relation between an individual and the individual's progenitors