kowin, kwet-a-kow : laugh (Baiungan; Bates XII 2B, 1b)
kauain, kauin, kauagăr : to laugh, to smile (Jakbăm, Bumblefoot; Bates XII 2B, 3b)
kau-găr : to amuse (Jakbăm, Bumblefoot; Bates XII 2B, 3b)
kowwin, kowagur : laugh, laughter (Jakbum, Wabbinyet; Bates XXII B, 3a)
kwet gowin : laugh, laughter (Ngalbaitch; Bates XII 2B, 7a)
kauin kwert : to amuse, to make laugh (Ngalbaitch; Bates XII 2B, 7a)
kwet kauin : laughing (Ngalbaitch; Bates XII 2B, 7a)
kaiun : laugh, laughter (Notum, Wirijan, Kaiar; Bates XII 2B, 8a)
kaŭrdit’ : laugh (Gordon Harris; von Brandenstein 1970)
qaau : to laugh (Von Brandenstein 1988: 69)
qaautity-puaminy : letting him laugh about it (Von Brandenstein 1988: 69)
kowin : amuse, to (Indar, Joowel, Baiungan; Bates XII 2B, 1b)
kowgur : amuse, to (Jakbum, Wabbinyet; Bates XXII B, 3a)
kowin kwert : amuse, to (Ngalbaitch; Bates XII 2B, 7a)
kauing : amuse, to (Notum, Wirijan, Kaiar; Bates XII 2B, 8a)
kauain, kauin, kauagăr : to laugh, to smile (Jakbăm, Bumblefoot; Bates XII 2B, 3b)
kowain, kowwain : smile, to (Jakbum, Wabbinyet; Bates XXII B, 3a)
gwert gowin : smile, to (Ngalbaitch; Bates XII 2B, 7a)
gwert gauain : smiling (Ngalbaitch; Bates XII 2B, 7a)