| 100% | JANSKY | 6 | Physicist Karl, famous for research on radio waves |
| 35% | ELECTRONS | 9 | JJ Thomson won Physics prize for research on __ |
| 35% | OPPO | 4 | Research on an adversary, for short |
| 35% | DOPPLER | 7 | Christian —, 19th-century mathematician and physicist noted for his work on the frequency of light and sound waves |
| 34% | OPPO | 4 | Research on a political rival, for short |
| 34% | ANTENNA | 7 | Radio wave receiver on older TVs and cars |
| 33% | MARCONI | 7 | Famed experimenter with radio waves (Italian physicist) |
| 33% | OLSON | 5 | Announcer Johnny famous for crying "Come on down!" |
| 33% | MIRANDA | 7 | Samba singer famous for fruit basket on head |
| 31% | CBER | 4 | Trucker on a radio, for short |
| 31% | CBERS | 5 | Truckers on a radio, for short |
| 31% | NOISE | 5 | Static on the radio, for example |
| 30% | APBS | 4 | Some messages on old radios, for short |
| 30% | SHOCKJOCK | 9 | One who makes waves on the radio, perhaps |
| 30% | GUION | 5 | Composer David famous for "Home on the Range" |
| 29% | LASSIE | 6 | Famous Rough Collie on TV; Scottish term for girl |
| 28% | JEFFGOLDBLUM | 12 | Actor famous for "Jurassic Park" who appeared as a guest star on "Friends": 2 wds. |
| 28% | ISAAC | 5 | Sir ___ Newton, English physicist known for his laws on motion and gravitation |
| 28% | AVOGADRO | 8 | Amedeo —, Italian physicist born in 1776 noted for his work on gases |
| 27% | REO | 3 | ___ Speedwagon, band famous for "Keep On Loving You" |
| 27% | SEANPENN | 8 | Actor famous for "Milk" and "Mystic River" who appeared as a guest star on "Friends": 2 wds. |
| 27% | BRADPITT | 8 | Actor famous for "Fight Club" and "Troy" who appeared as a guest star on "Friends": 2 wds. |
| 27% | STERN | 5 | Radio star Howard who was a judge on "America's Got Talent" for four seasons |
| 27% | TESH | 4 | New age pianist John who hosts "Intelligence for Your Life" on the radio |
| 27% | AM | 2 | Radio wave |
| 27% | CLINICAL | 8 | Study done on patients for research: __ trial |
| 26% | STERN | 5 | Radio star Howard who was a guest judge on "America's Got Talent" for four seasons |
| 26% | IONOSPHERE | 10 | Radio wave reflector |
| 26% | PULSAR | 6 | Radio wave producer |
| 26% | PULSAR | 6 | Radio wave emitter |