The word Hapening is misspelled against Happening, which is present continuous of "Happen"
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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.