Stufer or Stuffer: How To spell?
The word Stufer is misspelled against Stuffer, a noun meaning "One who, or that which, stuffs."
Stuffer has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings Stu & er which should not be misspelled with single 'F'
Wrong Spelling:  Stu-f-er  Correct Spelling:  Stu-ff-er 
Check more misspelled words of Stuffer to spell it correct.