Chaf or Chaff: How To spell?
The word Chaf is misspelled against Chaff, a noun meaning "Anything of a comparatively light and worthless character; the refuse part of anything."
Chaff has double 'ff' in the end mispronounced as 'f'Remember double 'FF' appears in the end of this word which should not be misspelled with single 'F'
Wrong Spelling:  cha-f  Correct Spelling:  cha-ff 
Browse incorrect spellings of Chaff to spell it good.