Prehalux or Prehallux: How To spell?
The word Prehalux is misspelled against Prehallux, a noun meaning "An extra first toe, or rudiment of a toe, on the preaxial side of the hallux."
Prehallux has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings preha & ux which should not be misspelled with single 'L'
Wrong Spelling:  preha-l-ux  Correct Spelling:  preha-ll-ux 
Check more misspelled words of Prehallux to spell it correct.