Low Navarrese:on, (arc) hon, (Donibane-Garazi) hun
Salazarese:on
Lapurdian:on
Baztanese:on
Aezkoan:on
Zuberoan:hun
Roncalese:on
Comments:The most archaic PSC form seems to be *=kUn- (> PAvar-Andian *kʷVnV-, Bsq *hon, Urart. gunǝ), with a common metathesis to *=ĭnkwV in most EC langs. Derivation from Lat. bonum is implausible.