Ofender or Offender: How To spell?
The word Ofender is misspelled against Offender, a noun meaning "One who offends; one who violates any law, divine or human; a wrongdoer."
Offender has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings O & ender which should not be misspelled with single 'F'
Wrong Spelling:  O-f-ender  Correct Spelling:  O-ff-ender 
Explore spell check of Offender to spell without errors.