Daf or Daff: How To spell?
The word Daf is misspelled against Daff, a noun meaning "A stupid, blockish fellow; a numskull."
Daff 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:  da-f  Correct Spelling:  da-ff 
Browse incorrect spellings of Daff to spell it good.