See also the related category latin.
Cais is not commonly used as a baby girl name. It is not in the top 1000 names.
Baby names that sound like Cais include Cae, Cai (Vietnamese), Cay (German), Caye, Kae (English), Kay (English and German), Kaye (English), Khay, Khaye, Cace, Cach, Cache, Cachee, Caisey, Cas (English), Cass (English and Greek), Casse (English), Cayce (English), Cayke, and Cayse (English).
† approx English pronunciation for Cais: K as in "key (K.IY)" ; EY as in "ate (EY.T)"