| 100% | OBSOLETE | 8 | No longer used |
| 100% | OLD | 3 | No longer used |
| 100% | CLEAN | 5 | No longer using |
| 100% | OFFOF | 5 | No longer using |
| 93% | OBS | 3 | No longer used: Abbr. |
| 90% | OBS | 3 | No longer used, in a dict. |
| 90% | OBSOLETE | 8 | No longer used, out of date |
| 90% | OBSOLETE | 8 | No longer used, as a word |
| 89% | ARCHAIC | 7 | No longer used, as an ancient word |
| 87% | ALCATRAZ | 8 | Pen that's no longer used |
| 87% | ETHER | 5 | Number that's no longer used |
| 86% | OBSOLETE | 8 | No longer in use |
| 86% | OLD | 3 | No longer in use |
| 86% | OBSOLETE | 8 | No longer of use |
| 86% | TALC | 4 | Mineral no longer used in baby powder |
| 86% | TALC | 4 | Mineral no longer used in bath powder |
| 85% | ABITPASTIT | 10 | No longer of use, euphemistically |
| 85% | OLD | 3 | No longer in use, maybe |
| 84% | TIN | 3 | Metal no longer used in making kitchen foil |
| 84% | HRH | 3 | Letters that Harry or Meghan no longer use |
| 84% | BIGKID | 6 | One no longer using a sippy cup, say |
| 84% | DEFUNCT | 7 | No longer operating or in use |
| 82% | OUTDATED | 8 | No longer in use, like old technology |
| 81% | OBSOLETE | 8 | No longer in use, like floppy disk drives |
| 80% | NEE | 3 | Word followed by a last name that’s no longer used |
| 78% | ARCHAISM | 8 | Expression no longer in use, old-fashioned word |
| 74% | HOLY | 4 | "___ moly!", expression of surprise that is no longer in common use |
| 70% | WEAROUT | 7 | Use until no longer usable (2 wds.) |
| 68% | HASBEEN | 7 | No longer important, "used-to-be" (2 wds) |
| 67% | RHYTHMS | 7 | Longest commonly used word with no a, e, i, o or u |