| 100% | MASERS | 6 | Acronymic devices in atomic clocks and radio telescopes |
| 49% | MASERS | 6 | Devices in atomic clocks |
| 36% | RADAR | 5 | Device that emits radio waves and helps detect objects in an aircraft's path |
| 35% | CESIUM | 6 | Element in atomic clocks |
| 35% | CESIUM | 6 | Element used in atomic clocks |
| 35% | MASERS | 6 | Atomic clock devices |
| 35% | MASER | 5 | Atomic clock device |
| 32% | SKA | 3 | Ongoing radio telescope project being built in Australia and South Africa, that's planned to start generating data in the late 2020s (abbr.) |
| 31% | ATMS | 4 | Money devices in casinos and hotels: Abbr. |
| 30% | BELLOWS | 7 | Devices for drawing air in and out |
| 30% | BBCARABIC | 9 | Radio service based in London and Cairo |
| 29% | MASER | 5 | Device that acts as a timekeeper in an atomic clock |
| 29% | HEISTS | 6 | Plot devices in the films "Thief" and "King of Thieves" |
| 29% | TIMETRAVEL | 10 | Plot device in “Back to the Future” and “Avengers: Endgame” |
| 29% | TIMELOOP | 8 | Plot device in "Groundhog Day" and "Russian Doll" |
| 29% | RESET | 5 | Like most clocks in April and October |
| 29% | ASSONANCE | 9 | Poetic device seen in "weak and weary" |
| 28% | FALLBACK | 8 | What US and UK clocks do in autumn |
| 28% | COGSWORTH | 9 | The enchanted clock in Beauty and the Beast |
| 27% | ARTHURLAKE | 10 | Actor who played Dagwood Bumstead in film, radio and TV |
| 27% | WILCO | 5 | "Message received and I'm on it," in radio lingo |
| 27% | COGSWORTH | 9 | He's the enchanted clock in Beauty and the Beast |
| 27% | ION | 3 | __ trap (atomic clock device) |
| 26% | CHESSMASTER | 11 | Clock-puncher who might achieve a promotion and resign in the same day |
| 26% | PEEL | 4 | John —, radio disc jockey, journalist and presenter who died in 2004 |
| 26% | ELIDE | 5 | Skip, as the "f" and "the" in "two of the clock" |
| 26% | TONTO | 5 | Radio/TV character played in film by Michael Horse (1981) and Johnny Depp (2013) |
| 26% | EVERETT | 7 | Kenny —, radio and television entertainer born Maurice Cole who died in 1995 |
| 26% | BALL | 4 | Zoe —, radio and television presenter who married DJ Norman Cook in 1999 |
| 26% | KENNY | 5 | & 21A Radio and television entertainer born Maurice Cole who died in 1995 |