Nummy
There is historical evidence for 'aks' or 'axe'
ask, n.1 Forms: 1 æsce, 3 axe, (?) as.
[OE. æsce, f. áscian (see prec.); cf. ODu. esch. As is prob. = ash or ask: see the vb.]
Asking, inquiry; thing asked, request.
_1000 Laws of Athelstan _5 (Thorpe I. 230) Hæfdon ealle ða æscean.
1205 Lay. 1053 Eouer axe ich eou leue.
_1230 Juliana 16 He failed of his as.
1781 T. Twining Let. 8 Dec. in Recreat. & Stud. (1882) 108, I am not so unreasonable as to desire you to_answer all my asks.
1886 _Cavendish' Whist 127 When your three comes down in the next round, it is not an ask for trumps.
and it is my understanding that this was transferred to the Caribbean and USoA and has stayed.
Compare with US 'aluminum' which was the original spelling and remains with them while UK spelling has changed.