CONSTANTIN, Konstantinos, Kostantinos, Kostas, Costas, Constantine, Costantine, Gus, CONSTANTINA, Thina, Kostantina, Dina, Costantina, HELEN, Elena, Elene, Ellen, Eleni, Lena, Eleanor, Eleonora, Eleonor, Nora, Marilena, NANTIA, Nantia, Nandia, Nadia, Nadya