stemma vs family

stemma and family both are nouns.

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

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

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

stemma (noun)	family (noun)
an eye having a single lens	primary social group; parents and children
the hereditary derivation of an individual	people descended from a common ancestor
a tree diagram showing a reconstruction of the transmission of manuscripts of a literary work	a social unit living together
	(biology) a taxonomic group containing one or more genera
	a collection of things sharing a common attribute
	an association of people who share common beliefs or activities
	a loose affiliation of gangsters in charge of organized criminal activities
	a person having kinship with another or others