Kaethe \ka(e)-the\ as a girl's name is a variant of Kate. See for origin and meaning of Kaethe.
The baby name Kaethe sounds like Kathe, Katie, Kathy, Kathie, Kathi, Kathee, Katha, Katee, Kaitie, Cathe, Kaedee, Kaite, Kaitee and Kathey. Other similar baby names are Faythe, Faithe, Grethe, Kaelie, Kaelee and Lethe.