Hapening or Happening: How To spell?
The word Hapening is misspelled against Happening, which is present continuous of "Happen"
Happening has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings ha & ening which should not be misspelled with single 'P'
Wrong Spelling:  ha-p-ening  Correct Spelling:  ha-pp-ening 
Find more wrongly spelled words of Happening to spell it well.