Polysylabical or Polysyllabical: How To spell?
The word Polysylabical is misspelled against Polysyllabical, an adjective meaning "Pertaining to a polysyllable; containing, or characterized by, polysyllables; consisting of more than three syllables."
Polysyllabical has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings polysy & abical which should not be misspelled with single 'L'
Wrong Spelling:  polysy-l-abical  Correct Spelling:  polysy-ll-abical 
Find more incorrect spellings of Polysyllabical to spell right way.