stemma vs descent

stemma and descent both are nouns.

Word	Noun	Adjective	Verb	Adverb
stemma	Yes	No	No	No
descent	Yes	No	No	No

As nouns, stemma and descent are synonyms defined as:

stemma (noun)	descent (noun)
an eye having a single lens	the act of changing your location in a downward direction
the hereditary derivation of an individual	properties attributable to your ancestry
a tree diagram showing a reconstruction of the transmission of manuscripts of a literary work	a movement downward
	the hereditary derivation of an individual
	a downward slope or bend
	the kinship relation between an individual and the individual's progenitors