| 100% | DVD | 3 | Format that was largely replaced by Blu-ray: Abbr. |
| 51% | CDS | 3 | Music recordings that have largely been replaced by digital downloads: Abbr. |
| 48% | PDA | 3 | Term for a handheld computer that has largely been replaced by "smartphone": Abbr. |
| 47% | LANDLINES | 9 | House connections that have been largely replaced by cell phones |
| 46% | LCD | 3 | Screen technology that is being replaced by LEDs: Abbr. |
| 45% | DVD | 3 | Format that preceded Blu-ray: Abbr. |
| 44% | OXEN | 4 | Farmland beasts that have largely been replaced by tractors |
| 40% | PDA | 3 | Handheld device that was largely phased out due to smartphones: Abbr. |
| 40% | TWA | 3 | Airline that was acquired by American in 2001: Abbr. |
| 40% | CDS | 3 | Music recordings that are read by a laser: Abbr. |
| 40% | TELEX | 5 | Communication method that was replaced by fax |
| 39% | IRON | 4 | Monopoly token that was replaced by a cat |
| 39% | NEON | 4 | ___ lights (fixtures that are being replaced by LEDs) |
| 39% | PDF | 3 | File format that can't be edited: Abbr. |
| 39% | ERA | 3 | Potential amendment that was sought by feminists: Abbr. |
| 39% | LSD | 3 | Drug that was taken by many hippies: Abbr. |
| 39% | IRON | 4 | Monopoly token that was recently replaced by a cat |
| 38% | WIIU | 4 | Nintendo console that was replaced by the Switch: 2 wds. |
| 38% | LIME | 4 | Skittles flavor that was replaced by green apple in 2013 |
| 38% | LIRA | 4 | Currency from 45-Down that was replaced by the euro |
| 38% | TAN | 3 | M&M's color that was replaced by blue in 1995 |
| 38% | TAN | 3 | M&M color that was replaced by blue in 1995 |
| 38% | GPS | 3 | Technology that has largely replaced road maps: Abbr. |
| 38% | VHS | 3 | VCR format that was a popular mode of watching 19a in the 1980s and 1990s: Abbr. |
| 38% | DVDVIDEO | 8 | Format that preceded Blu-ray |
| 37% | MOTIONPICTURE | 13 | Entertainment medium that was largely developed by 20-/37-Across: 2 wds. |
| 37% | LTD | 3 | Ford model that was replaced by the Crown Victoria and the Taurus |
| 37% | IRS | 3 | Agency that was affected by the Tax Reform Act of 1986: Abbr. |
| 37% | USSR | 4 | Nation that was once led by Stalin: Abbr. |
| 37% | TWP | 3 | American daily newspaper that was bought by Jeff Bezos, founder of Amazon: Abbr. |