 Rarer alternative spellings (the remaining 5.2%) included Kwack, Gak, Guak, Kwack, Gwag, Kag, Kawk, Koag, Koak, Kweak, and Kwug.Other spellings include Kwalk, Kowalk.Notably, Kwak sounds similar and is spelled similar to Kwok (郭)in Cantonese.