| 100% | BEAM | 4 | It travels at the speed of light |
| 69% | PHOTON | 6 | Quantum of electromagnetic radiation that travels at the speed of light |
| 67% | RAYS | 4 | Travelers at the speed of light |
| 61% | BOLTS | 5 | Lightning ___ travel near the speed of light |
| 53% | CONSTANT | 8 | Like the speed of light |
| 52% | DOES | 4 | Travels at a speed of |
| 51% | SONIC | 5 | "Service at the Speed of Sound" fast-food franchise |
| 51% | SONIC | 5 | "Service at the Speed of Sound" fast-food chain |
| 50% | FUTURE | 6 | One could get there by nearing the speed of light |
| 49% | AIDA | 4 | It ends at the Temple of Vulcan |
| 49% | SILENTE | 7 | It comes at the end of life |
| 49% | SIGMA | 5 | It's at the end of "Oedipus" |
| 49% | MINUETTO | 8 | A tempo di __, at the speed of a French 3/4 dance |
| 49% | LURE | 4 | It's at the end of the line |
| 49% | FLY | 3 | It's at the end of the line |
| 49% | FISHHOOK | 8 | It's at the end of the line |
| 49% | BAITFISH | 8 | It's at the end of the line |
| 49% | XII | 3 | It's at the top of a face |
| 49% | ACROSS | 6 | It's at the top of some columns |
| 49% | FOOTNOTE | 8 | It comes at the bottom of a page |
| 49% | URL | 3 | It appears at the top of a page |
| 49% | EMBER | 5 | It glows at the end of three months |
| 49% | FREEDOM | 7 | It comes at the end of a sentence |
| 49% | XII | 3 | It's at the top of some clocks |
| 49% | EMBER | 5 | It flickers at the end of three months |
| 49% | SHORTI | 6 | It's at the beginning of this clue |
| 49% | NAIL | 4 | It's at the tip of your finger |
| 48% | OMAN | 4 | It's at the mouth of the Persian Gulf |
| 47% | ETERNITY | 8 | It "waits at the crossway of the stars," wrote Borges |
| 47% | SIOUXCITY | 9 | It's at the junction of Iowa, Nebraska and South Dakota |