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