Knuf or Knuff: How To spell?
The word Knuf is misspelled against Knuff, a noun meaning "A lout; a clown."
Knuff 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:  knu-f  Correct Spelling:  knu-ff 
Check more misspelled words of Knuff to spell it correct.