| startling(adjective, difference, variety, addition) |
| strange(adjective, difference, variety, addition) |
| superfluous(adjective, difference, variety, addition) |
| supernumerary(adjective, difference, variety, addition) |
| supplemental(adjective, difference, variety, addition) |
| surplus(adjective, difference, variety, addition) |
| that(adverb, difference, addition) |
| tip(adjective, difference, variety, addition) |
| unalike(adjective, difference, variety, addition) |
| uncommon(adjective, difference, variety, addition) |
| unconventional(adjective, difference, variety, addition) |
| unequal(adjective, difference, variety, addition) |
| unique(adjective, difference, variety, addition) |
| unnecessary(adjective, difference, variety, addition) |
| unneeded(adjective, difference, variety, addition) |
| unrelated(adjective, difference, variety, addition) |
| unsimilar(adjective, difference, variety, addition) |
| unused(adjective, difference, variety, addition) |
| unusual(adjective, difference, variety, addition) |
| variant(adjective, difference, variety, addition) |