| 100% | GEOLOGIST | 9 | Expert in the Earth's rocks and minerals |
| 56% | GEOLOGY | 7 | The study of the Earth, rocks and minerals |
| 54% | GEODESISTS | 10 | Experts in determining the exact shape and size of the earth |
| 50% | ARGON | 5 | Third-most abundant gas in the Earth's atmosphere, after nitrogen and oxygen |
| 46% | GUNSMITH | 8 | An expert in the design and repair of firearms |
| 46% | OGO | 3 | Six-satellite NASA program that studied the Earth's magnetosphere in the '60s and '70s (abbr.) |
| 45% | JOHN | 4 | Elton who's in the Rock and Roll Hall of Fame |
| 45% | GEOLOGIST | 9 | Scientist who studies rocks and the Earth |
| 44% | MAGMA | 5 | Molten rock in the Earth |
| 44% | GEOLOGIST | 9 | A person who studies the earth and rocks |
| 44% | EON | 3 | Period in the earth's history |
| 44% | CHASM | 5 | Fissure in the Earth's surface |
| 44% | FAULT | 5 | Crack in the earth's crust |
| 43% | STYX | 4 | Boundary between the earth and the underworld, in myth |
| 43% | BEL | 3 | God of the earth in Babylonian and Assyrian mythology |
| 43% | RAITT | 5 | Bonnie in the Rock and Roll Hall of Fame |
| 43% | TINA | 4 | Turner in the Rock and Roll Hall of Fame |
| 43% | IKE | 3 | Turner in the Rock and Roll Hall of Fame |
| 43% | ZAPPA | 5 | Frank in the Rock and Roll Hall of Fame |
| 43% | HYNDE | 5 | Chrissie in the Rock and Roll Hall of Fame |
| 43% | SEGER | 5 | Bob in the Rock and Roll Hall of Fame |
| 43% | RONNIE | 6 | Lane in the Rock and Roll Hall of Fame |
| 43% | OTIS | 4 | Johnny in the Rock and Roll Hall of Fame |
| 43% | ETTA | 4 | James in the Rock and Roll Hall of Fame |
| 43% | TOM | 3 | Petty in the Rock and Roll Hall of Fame |
| 43% | DARIN | 5 | Bobby in the Rock and Roll Hall of Fame |
| 43% | LES | 3 | Paul in the Rock and Roll Hall of Fame |
| 43% | ENO | 3 | Brian in the Rock and Roll Hall of Fame |
| 43% | PITNEY | 6 | Gene in the Rock and Roll Hall of Fame |
| 43% | NEIL | 4 | Young in the Rock and Roll Hall of Fame |