Ilish or Illish: How To spell?
The word Ilish is misspelled against Illish, an adjective meaning "Somewhat ill."
Illish has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings i & ish which should not be misspelled with single 'L'
Wrong Spelling:  i-l-ish  Correct Spelling:  i-ll-ish 
Find more wrongly spelled words of Illish to spell it well.