Ottis \o(t)-tis\ as a boy's name is a variant of Otis (Old German, Old English) and Otto (Old German), and the meaning of Ottis is "wealth; son of Otto".
The baby name Ottis sounds like Otys, Otess, Oates and Odis. Other similar baby names are Addis, Mattias, Mats, Oakes, Ochs, Oaks, Ottavio, Odie, Odin, Ozzie, Ossie, Osei, Ottone, Ota, Ot, Pats, Titus, Titos, Vitus, Vitas, Watts and Yates.