Halux or Hallux: How To spell?
The word Halux is misspelled against Hallux, a noun meaning "The first, or preaxial, digit of the hind limb, corresponding to the pollux in the fore limb; the great toe; the hind toe of birds."
Hallux has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings ha & ux which should not be misspelled with single 'L'
Wrong Spelling:  ha-l-ux  Correct Spelling:  ha-ll-ux 
Check more misspelled words of Hallux to spell it correct.