Apart from Nawu, other variant spellings have been recorded as Nhawu, Nawo, Njao,  Gnowoo, Growoo, and variant names include Battara, Hilleri, Kadu, Kartwongulta, and Wiljaru.
Other variations of the name include Nhawu, Nawo, Njao, Gnowoo, Growoo, Battara, Hilleri, Kadu, Kartwongulta, and Wiljaru.