Coging or Cogging: How To spell?
The word Coging is misspelled against Cogging, which is present continuous of "Cog"
Cogging has double "gg" is mispronounced as "g"Remember double 'GG' in between the strings co & ing which should not be misspelled with single 'G'
Wrong Spelling:  co-g-ing  Correct Spelling:  co-gg-ing 
Find more incorrect spellings of Cogging to spell right way.