In the Unknown origin, Elza means "Elza \e-lza, el-za\ as a girl's name is a variant of Eliza. See for origin and meaning of Elza.
The baby name Elza sounds like Elsa and Elyza. Other similar baby names are Elva, Ella, Ela, Elba, Elna, Elga, Elia, Elka and Elma."