Hendecasylable or Hendecasyllable: How To spell?

The word Hendecasylable is misspelled against Hendecasyllable, a noun meaning "A metrical line of eleven syllables."

Hendecasyllable has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings hendecasy & able which should not be misspelled with single 'L'
Wrong Spelling:  hendecasy-l-able 
Correct Spelling:  hendecasy-ll-able 
Explore spell check of Hendecasyllable to spell without errors.