| 100% | JOULE | 5 | 19th century physicist james |
| 68% | DOPPLER | 7 | 19th century physicist; weather radar |
| 55% | JESSE | 5 | 19th-century outlaw ___ James |
| 54% | JESSE | 5 | 19th-century James |
| 52% | KIRCHHOFF | 9 | 19th-century German physicist Gustav |
| 47% | ROLLTOP | 7 | 19th century desk |
| 46% | GLADSTONE | 9 | 19th century British statesman |
| 46% | ELIAS | 5 | 19th century inventor Howe |
| 46% | MANET | 5 | 19th century French painter |
| 46% | TZAR | 4 | 19th century Russian monarch |
| 46% | ADA | 3 | 19th century mathematician Lovelace |
| 46% | BENJAMIN | 8 | 19th century prez harrison |
| 46% | WALT | 4 | 19th century poet whitman |
| 45% | GEORGEIIIGOESBONKERS | 20 | 19TH CENTURY: Simón Bolivar conquers... |
| 45% | PALMERSTON | 10 | 19th century British prime minister |
| 44% | FOUCAULT | 8 | Leon —, 19th-century French physicist credited with naming the gyroscope |
| 44% | CHADWICK | 8 | Physicist James, who discovered the neutron |
| 44% | DEWITT | 6 | 19th century U.S. Senator, Clinton |
| 44% | INN | 3 | 19th century bed and breakfast, say |
| 43% | GILDED | 6 | ___ Age (late 19th century) |
| 43% | IRONCLADS | 9 | Late 19th century warships |
| 43% | ADA | 3 | ___ Lovelace, 19th century mathematician |
| 43% | MCM | 3 | Final 19th century year |
| 43% | ERA | 3 | Victorian ___ (late 19th century) |
| 43% | VICTORIA | 8 | 19th century queen, the "Grandmother of Europe" |
| 43% | BLOOMER | 7 | 19th century women's rights advocate Amelia |
| 42% | IBSEN | 5 | Henrik ___, 19th century Norwegian playwright |
| 42% | ADA | 3 | ___ Lovelace, 19th century English mathematician |
| 42% | ERE | 3 | "Before," in the 19th century |
| 42% | EDO | 3 | Tokyo, before the 19th century |