Answer: suf

AnswerCrossword Clue
SUFWd. ending
SUFDictionary abbr.
SUFPart of a word: Abbr.
SUFPostfix: Abbr.
SUFWord ending: Abbr.
SUFOpposite of pref.
SUFEnding: Abbr.
SUFWord part: Abbr.
SUF"-er" or "-ing," e.g.: Abbr.
SUF-ed, e.g.: Abbr.
SUFAdd-on to the end of a word: Abbr.
SUFEnd-of-word add-on Abbr.:
SUFNot a pref.
SUFEnd-of-word addn.