 Nomina from different languages and regions often have distinctive characteristics; Latin nomina tended to end in "-ius, -us, -aius, -eius, -eus", or "-aeus", while Oscan names frequently ended in "-is" or "-iis"; Umbrian names in "-as, -anas, -enas", or "-inas", and Etruscan names in "-arna, -erna, -ena, -enna, -ina", or "-inna".Oscan and Umbrian forms tend to be found in inscriptions; in Roman literature these names are often Latinized.Many individuals added an additional surname, or "cognomen", which helped to distinguish between members of larger families.