Herculein or Herculean: How To spell?
The word Herculein is misspelled against Herculean, an adjective meaning "Having extraordinary strength or size; as, Herculean limbs."
Herculean has vowels 'ea' together mispronounced as 'ei'Word contains consecutive vowels 'EA' in between alphabets hercul & n is misspelled as 'EI'
Wrong Spelling:  hercul-ei-n  Correct Spelling:  hercul-ea-n 
Check more misspelled words of Herculean to spell it correct.