| 100% | CURIUM | 6 | Element named for a two-time Nobelist |
| 61% | PLUTONIUM | 9 | Element named for a planet |
| 61% | NEPTUNIUM | 9 | Element named for a planet |
| 61% | FERMIUM | 7 | Element named for a physicist |
| 61% | NIOBIUM | 7 | Element named for a mythical queen |
| 60% | SPOT | 4 | Name for a two-tone dog |
| 60% | OREO | 4 | Name for a two-tone dog |
| 59% | URANIUM | 7 | Radioactive element named for a planet |
| 58% | PLUTONIUM | 9 | Radioactive element named for a former planet |
| 55% | COBALT | 6 | ___ blue (color named for a metallic element) |
| 55% | ERA | 3 | Time named for a president |
| 54% | DAWN | 4 | Dishwashing detergent named for a time of day |
| 54% | ERA | 3 | Time named for a music genre |
| 53% | DRWHO | 5 | Abbreviated name for a TV Time Lord |
| 53% | ERA | 3 | Time often named for a philosophy |
| 52% | EON | 3 | ___ Productions (James Bond film company, named for a period of time) |
| 52% | BERKELIUM | 9 | Element #97 named for a California city |
| 52% | TENNESSINE | 10 | Element #117, named for a state |
| 50% | ERA | 3 | Time period often named for a president |
| 50% | ERA | 3 | Time period often named for a monarch |
| 50% | RAFA | 4 | Nickname for a two-time Wimbledon winner |
| 50% | HERTZ | 5 | Nobelist for whom a physics unit is named |
| 50% | RHENIUM | 7 | Element number 75 named for a German river |
| 50% | ERA | 3 | Time period often named for a music genre |
| 49% | ERA | 3 | Time period named for a sports franchise's head coach, perhaps |
| 49% | SKATS | 5 | Two-card widows for which a game is named |
| 49% | REINDEER | 8 | Common Christmas time name for a caribou |
| 47% | ERA | 3 | Period of time often named for a president |
| 47% | ERA | 3 | Span of time sometimes named for a president |
| 47% | ZULUTIME | 8 | A pilot's name for Universal Coordinated Time |