| 100% | BAHAI | 5 | Monotheistic religious system founded in the 19th century by Baha'u'llah |
| 39% | WILDWEST | 8 | US frontier period in the 19th century |
| 37% | ELIHU | 5 | Politician ___ Washburne of the 19th century, who was prominent in founding the Republican Party |
| 37% | KENO | 4 | Game introduced to the U.S. by Chinese immigrants in the 19th century |
| 36% | TRIPOLI | 7 | Capital of Libya which was founded in 7th century BC by the Phoenicians |
| 36% | PIETISM | 7 | Lutheranism movement in the 17th and 18th centuries founded by Philipp Jakob Spener |
| 35% | ERE | 3 | "Before," in the 19th century |
| 35% | CRUSADES | 8 | Religious attacks by Europeans in the 12th century |
| 35% | IRONHORSES | 10 | Steam trains, in the 19th century |
| 34% | SLAVETRADE | 10 | It was outlawed in the 19th century |
| 34% | MORPHINE | 8 | Potent painkiller common in the 19th century |
| 34% | DDE | 3 | Last pres. born in the 19th century |
| 34% | ODE | 3 | Type of poem popular in the 19th century |
| 34% | ARCDETRIOMPHE | 13 | Paris landmark built in the 19th century (3 wds.) |
| 34% | UNIONSUIT | 9 | Long, one-piece underwear worn in the 19th century |
| 33% | TSHIRTS | 7 | Attire that developed from miners' duds in the 19th century |
| 33% | ODE | 3 | Type of poem that was popular in the 19th century |
| 33% | ERIE | 4 | New York canal that was built in the 19th century |
| 33% | LOG | 3 | Yule ___, traditional Christmas dessert that originated in the 19th century |
| 33% | TELEGRAPH | 9 | Electrical ___, industrial revolution invention that modernized communication in the 19th century |
| 33% | DUKE | 4 | The ___ City, nickname for the US location founded by Nuevo Mexico governor Francisco Cuervo y Valdes in 1706 |
| 33% | OPOSSUM | 7 | Only marsupial found in the U.S. |
| 33% | GILA | 4 | ___ monster (lizard found in the US Southwest) |
| 33% | THREECENTPIECES | 15 | Lightest coins ever minted by the U.S., used in the late 19th century |
| 32% | OSLO | 4 | Scandinavian capital founded in the mid-11th century |
| 32% | FIREANT | 7 | Stinging insect found in the southern U.S. |
| 32% | SANJUAN | 7 | The oldest town founded by Europeans in the US |
| 32% | MESA | 4 | Small, flat-topped hill found in the southwest US |
| 32% | MARINE | 6 | Found in or produced by the sea |
| 31% | LIED | 4 | German song typically of the 19th century, performed by a soloist |