Stafmen or Staffmen: How To spell?
The word Stafmen is misspelled against Staffmen, which is plural of "Staffman"
Staffmen has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings Sta & men which should not be misspelled with single 'F'
Wrong Spelling:  Sta-f-men  Correct Spelling:  Sta-ff-men 
Explore spell check of Staffmen to spell without errors.