Columba \c(o)-lu-mba\ as a boy's name (also used as girl's name Columba), is related to Calum, Colm, Colman and Culver.
The baby name Columba sounds like Columbano, Columbus, Colombo and Colombe. Other similar baby names are Colum, Calumet, Colby, Collby, Coleman, Colla, Colombain and Collumbano.