Taselling or Tasselling: How To spell?
The word Taselling is misspelled against Tasselling, which is present continuous of "Tassel"
Tasselling has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings ta & elling which should not be misspelled with single 'S'
Wrong Spelling:  ta-s-elling  Correct Spelling:  ta-ss-elling 
Find more wrongly spelled words of Tasselling to spell it well.