relation vs family

relation and family both are nouns.

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

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

relation (noun)	family (noun)
an abstraction belonging to or characteristic of two entities or parts together	primary social group; parents and children
(usually plural) mutual dealings or connections among persons or groups	people descended from a common ancestor
sexual activity between individuals, especially the insertion of a man's penis into a woman's vagina until orgasm and ejaculation occur	a social unit living together
(law) the principle that an act done at a later time is deemed by law to have occurred at an earlier time	(biology) a taxonomic group containing one or more genera
an act of narration	a collection of things sharing a common attribute
a person related by blood or marriage	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