Dissylabification or Dissyllabification: How To spell?
The word Dissylabification is misspelled against Dissyllabification, a noun meaning "A forming into two syllables."
Dissyllabification has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings dissy & abification which should not be misspelled with single 'L'
Wrong Spelling:  dissy-l-abification  Correct Spelling:  dissy-ll-abification 
Find more incorrect spellings of Dissyllabification to spell right way.