Octosylabical or Octosyllabical: How To spell?
The word Octosylabical is misspelled against Octosyllabical, an adjective meaning "Consisting of or containing eight syllables."
Octosyllabical has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings octosy & abical which should not be misspelled with single 'L'
Wrong Spelling:  octosy-l-abical  Correct Spelling:  octosy-ll-abical 
Find more incorrect spellings of Octosyllabical to spell right way.