Gaging or Gagging: How To spell?
The word Gaging is misspelled against Gagging, which is present continuous of "Gag"
Gagging has double "gg" is mispronounced as "g"Remember double 'GG' in between the strings ga & ing which should not be misspelled with single 'G'
Wrong Spelling:  ga-g-ing  Correct Spelling:  ga-gg-ing 
Find more wrongly spelled words of Gagging to spell it well.