Undefausible or Undefeasible: How To spell?
The word Undefausible is misspelled against Undefeasible, an adjective meaning "Indefeasible."
Undefeasible has vowels 'ea' together mispronounced as 'au'Word contains consecutive vowels 'EA' in between alphabets undef & sible is misspelled as 'AU'
Wrong Spelling:  undef-au-sible  Correct Spelling:  undef-ea-sible 
Check more misspelled words of Undefeasible to spell it correct.