民族【みんぞく】
people, race, nation, ethnic group, ethnos
家族【かぞく】
family
遺族【いぞく】
bereaved family, surviving family, family of the deceased
親族【しんぞく】
relative, relation
部族【ぶぞく】
tribe, clan, house
一族【いちぞく】
family, relatives, dependents, household
貴族【きぞく】
noble, aristocrat, peer
水族館【すいぞくかん】
aquarium
豪族【ごうぞく】
powerful family, powerful clan