Language group name: Darginung
Other spellings: Darkinung (Mathews 1897, 1903); Darginyung (Capell 1970).

Language group name: Darug
Other spellings: Dhar'-ook (Mathews and Everitt 1900); Dharrook (Mathews and Everitt 1900); Dhar'rook (Mathews 1901a, 1902); Dharruk (Mathews 1901b,1903; Capell 1970); Dharook (Capell 1970); Dharuk (Capell 1970: Map 1).

Language group name: Dharawal
Other spellings: Turuwal (Ridley 1875, 1878); Thurrawal (Mathews and Everitt 1900, Mathews 1901a, 1901b, 1903; Capell 1970); Thur'rawal (Mathews 1902); Dharawal (Capell 1970, Eades 1976).

Language group name: Gundungurra
Other spellings: Gundungurra (Mathews 1901a, 1903; Mathews and Everitt 1900, Capell 1970); Gun'dungur'ra (Mathews 1901a, 1902); Gun'-dung-ur'ra (Mathews and Everitt 1900).

Language group name: Guringai
Other spellings: Kurig-gai (Fraser 1892a, 1982b; Thorpe 1913); Kuringgai (Fraser 1892a; Capell 1970); Kurringgai (Fraser 1892a, 1892b); Kuring-gai (Fraser 1892b, Appendix 10); Kurring-gai (Fraser 1892b); Guringai (Capell 1970).