Tafety or Taffety: How To spell?
The word Tafety is misspelled against Taffety, a noun meaning "A fine, smooth stuff of silk, having usually the wavy luster called watering. The term has also been applied to different kinds of silk goods, from the 16th century to modern times."
Taffety has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings Ta & ety which should not be misspelled with single 'F'
Wrong Spelling:  Ta-f-ety  Correct Spelling:  Ta-ff-ety 
Explore spell check of Taffety to spell without errors.