relative
noun
a person related by blood or marriage
“police are searching for relatives of the deceased”
“he has distant relations back in New Jersey”
Synonymsrelationan animal or plant that bears a relationship to another (as related by common descent or by membership in the same genus)
adjective
estimated by comparison; not absolute or complete
“a relative stranger”
SynonymscomparativeOppositesabsoluteproperly related in size or degree or other measurable characteristics; usually followed by `to'
“the punishment ought to be proportional to the crime”
“earnings relative to production”
Synonymsproportional
Source: WordNet 3.1, Princeton University