i Register
In some senses, supe is marked as dated, slang, informal. Watch for register when choosing this word.
noun
Clipping of supernumerary (“an extra or walk-on”).
John Wilkes would go south to Richmond, to join Ford's stock company at the old Marshall Theatre for the 1858–59 season. More work as a supe awaited “J. B. Wilkes,” but his wages this time would be better than in Philadelphia: $440 for the season, the same as his older brother earned in a week.
Abbreviation of superintendent.
Abbreviation of supervisor.
Clipping of supervision.
Clipping of superhero.