Mobing or Mobbing: How To spell?
The word Mobing is misspelled against Mobbing, which is present continuous of "Mob"
Mobbing has double "bb" is mispronounced as "b"Remember double 'BB' in between the strings Mo & ing which should not be misspelled with single 'B'
Wrong Spelling:  Mo-b-ing  Correct Spelling:  Mo-bb-ing 
Find more incorrect spellings of Mobbing to spell right way.