Helish or Hellish: How To spell?
The word Helish is misspelled against Hellish, an adjective meaning "pertaining to hell; like hell; infernal; malignant; wicked; detestable; diabolical."
Hellish has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings he & ish which should not be misspelled with single 'L'
Wrong Spelling:  he-l-ish  Correct Spelling:  he-ll-ish 
Find more wrongly spelled words of Hellish to spell it well.