Tabying or Tabbying: How To spell?
The word Tabying is misspelled against Tabbying, which is present continuous of "Tabby"
Tabbying has double "bb" is mispronounced as "b"Remember double 'BB' in between the strings Ta & ying which should not be misspelled with single 'B'
Wrong Spelling:  Ta-b-ying  Correct Spelling:  Ta-bb-ying 
Find more wrongly spelled words of Tabbying to spell it well.