Polysylable or Polysyllable: How To spell?
The word Polysylable is misspelled against Polysyllable, meaning "Having several syllables, especially more than three syllables."
Polysyllable has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings polysy & able which should not be misspelled with single 'L'
Wrong Spelling:  polysy-l-able  Correct Spelling:  polysy-ll-able 
Find more incorrect spellings of Polysyllable to spell right way.