| 100% | ERE | 3 | "Before," in the 19th century |
| 83% | IRONHORSES | 10 | Steam trains, in the 19th century |
| 82% | SLAVETRADE | 10 | It was outlawed in the 19th century |
| 82% | WILDWEST | 8 | US frontier period in the 19th century |
| 82% | MORPHINE | 8 | Potent painkiller common in the 19th century |
| 82% | DDE | 3 | Last pres. born in the 19th century |
| 81% | ODE | 3 | Type of poem popular in the 19th century |
| 80% | ARCDETRIOMPHE | 13 | Paris landmark built in the 19th century (3 wds.) |
| 80% | UNIONSUIT | 9 | Long, one-piece underwear worn in the 19th century |
| 79% | TSHIRTS | 7 | Attire that developed from miners' duds in the 19th century |
| 79% | ODE | 3 | Type of poem that was popular in the 19th century |
| 79% | ERIE | 4 | New York canal that was built in the 19th century |
| 79% | LOG | 3 | Yule ___, traditional Christmas dessert that originated in the 19th century |
| 78% | TELEGRAPH | 9 | Electrical ___, industrial revolution invention that modernized communication in the 19th century |
| 77% | BAHAI | 5 | Monotheistic religious system founded in the 19th century by Baha'u'llah |
| 75% | EDO | 3 | Tokyo, before the 19th century |
| 72% | JANISSARY | 9 | Turkish infantry guard in the 14th to 19th century |
| 71% | ELIHU | 5 | Politician ___ Washburne of the 19th century, who was prominent in founding the Republican Party |
| 68% | EGRET | 5 | Bird that became endangered in the 19th and early 20th century due to demands from hat makers |
| 67% | DUN | 3 | ___ Laoghaire, originally constructed as a port to serve Dublin in the early 19th century |
| 66% | ARC | 3 | Type of lamp using carbon electrodes invented by Humphry Davy in the early 19th century |
| 64% | ETHER | 5 | Number of the 19th century? |
| 64% | SMALLPOX | 8 | Only vaccine that existed before the 19th century |
| 64% | VOLLEYBALL | 10 | Ball game invented by William G Morgan whose original name in the late 19th century was Mintonette |
| 62% | BOER | 4 | Dutch settler of South Africa in the 18th-19th centuries |
| 62% | BOER | 4 | Dutch word for farmer that was applied to European settlers of South Africa in the 18th and 19th centuries |
| 61% | HONESTABE | 9 | Presidential nickname of the 19th century |
| 61% | LOTTIEDOD | 9 | Tennis champ of the 19th century |
| 61% | OSCEOLA | 7 | Seminole leader of the 19th century |
| 61% | RISORGIMENTO | 12 | Movement for the political unification of Italy in the 19th century |