nā : what, what is it? (Jakbăm, Bumblefoot; Bates XII 2B, 3b)
naa : what is it? (Jakbum, Wabbinyet; Bates XXII B, 3a)
naaj : what is it? (Ngalbaitch; Bates XII 2B, 7a)
nāj : what (Kaiari, Wirijan; BATES XII 2B, 8b)
naaj : what (Ngalbaitch; Bates XII 2B, 7a)
nāj : what (Ngalbaitch; Bates XII 2B, 7a)
naad’ : what (Charlie Dabb; von Brandenstein 1970)
naad’ : what (Charlie Dabb; von Brandenstein 1970)
naad’u͑ : what for? (Charlie Dabb; von Brandenstein 1970)
naad’ : what (Sam Dabb; von Brandenstein 1970)
naad : what (Sam Dabb; von Brandenstein 1970)
naa : what? (Von Brandenstein 1988: 25)

Phrases
nāj wurding : what are you doing? (Kaiari, Wirijan; BATES XII 2B, 8b)
nājak ngau ngauing : what is that noise (“shouting”) (Kaiari, Wirijan; BATES XII 2B, 8b)
naaj woonungin : doing, what are you? (Ngalbaitch; Bates XII 2B, 7a)
naaj maia wangin : noise, what is that? (Ngalbaitch; Bates XII 2B, 7a)
naaj boorn : tree, what is the name of that? (Ngalbaitch; Bates XII 2B, 7a)
naaj moorurt : tribe, to what, do you belong? (Ngalbaitch; Bates XII 2B, 7a)
nāj wūnăngin : what (are you) doing (Ngalbaitch; Bates XII 2B, 7a)
nāj nyūndo wâta mining : what are you afraid of (Ngalbaitch; Bates XII 2B, 7a)
nāj mūrărt : what (or who) (your) relations (Ngalbaitch; Bates XII 2B, 7a)
naj-a-wongain : what do you want – “what asking” (Ngalbaitch; Bates XII 2B, 7a)
nāj maia wongin : what is that noise (what voice talking) (Ngalbaitch; Bates XII 2B, 7a)
naj wunding : doing, what are you? (Notum, Wirijan, Kaiar; Bates XII 2B, 8a)
ngajik ngau ngauing : noise, what is that? (Notum, Wirijan, Kaiar; Bates XII 2B, 8a)