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