Panhelenic or Panhellenic: How To spell?
The word Panhelenic is misspelled against Panhellenic, an adjective meaning "pertaining to all Greece, to Panhellenism; including all Greece, all the Greeks."
Panhellenic has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings panhe & enic which should not be misspelled with single 'L'
Wrong Spelling:  panhe-l-enic  Correct Spelling:  panhe-ll-enic 
Find more wrongly spelled words of Panhellenic to spell it well.