Heling or Heeling: How To spell?
The word Heling is misspelled against Heeling, which is present continuous of "Heel"
Heeling has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings H & ling which should not be misspelled with single 'E'
Wrong Spelling:  H-e-ling  Correct Spelling:  H-ee-ling 
Find more wrongly spelled words of Heeling to spell it well.