Zi Collection, Page Position: Upper, Radical: Person (rén), Page 7, Entry 01 "Book of Rhymes (Guangyun)" and "Collection of Rhymes (Jiyun)" state that this character is pronounced ku hao qie, sounding the same as "kao." 䯪, meaning large head. Also, "Collection of Rhymes (Jiyun)" states that this character is pronounced ku dao qie, sounding the same as "kao." The meaning is the same.