sib vs family

sib and family both are nouns.

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

sib (noun)	family (noun)
one related by blood or origin; especially on sharing an ancestor with another	primary social group; parents and children
a person's brother or sister	people descended from a common ancestor
	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