Monosylable or Monosyllable: How To spell?
The word Monosylable is misspelled against Monosyllable, meaning "A word of one syllable."
Monosyllable has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings monosy & able which should not be misspelled with single 'L'
Wrong Spelling:  monosy-l-able  Correct Spelling:  monosy-ll-able 
Find more incorrect spellings of Monosyllable to spell right way.