Cadog \c(a)-dog\ as a boy's name is a variant of Caddock (Welsh), and the meaning of Cadog is "eagerness for war".
The baby name Cadog sounds like Cadoc and Kodiak. Other similar baby names are Madog, Cadby, Cade, Caden, Cadel, Cadmo, Cadogan, Caradog, Cato, Kadon, Caydon, Caidon, Madoc, Tadhg, Zadok and Zadoc.