| 100% | CONGO | 5 | River that lent its name to two African countries |
| 70% | INDUS | 5 | River that lends its name to the second most populous country in the world |
| 63% | GILA | 4 | River that lends its name to a so-called monster |
| 63% | DAKOTA | 6 | Territory that lent its name to two states |
| 63% | CAROLINA | 8 | Province that lent its name to two states |
| 62% | OISERIVER | 9 | Waterway that lent its name to two French departments |
| 62% | DAKOTA | 6 | Indian tribe that lent its name to two states |
| 61% | YSER | 4 | 48 mi. Belgian river that lent its name to a WWI battle |
| 58% | WYE | 3 | Maryland river that lent its name to the memorandum negotiated between Israel and the Palestinian Authority in 1998 |
| 56% | SAMOA | 5 | Polynesian country that lends its name to a Girl Scout cookie |
| 53% | NIGER | 5 | African river with two countries named after it |
| 52% | ERIE | 4 | Tribe that lent its name to a canal |
| 52% | ETON | 4 | School that lent its name to a collar |
| 52% | UTE | 3 | Tribe that lent its name to a state |
| 52% | TEAL | 4 | Duck that lends its name to a color |
| 51% | BRIE | 4 | French district that lent its name to a foodstuff |
| 51% | SMYRNA | 6 | Ancient city that lent its name to a fig |
| 51% | KANSA | 5 | American tribe that lent its name to a state |
| 51% | ABBEYROAD | 9 | Thoroughfare that lent its name to a 1969 album |
| 51% | OTOE | 4 | Tribe that lent its name to a Nebraska county |
| 51% | IOS | 3 | Island that lends its name to an operating system |
| 51% | COBRA | 5 | Snake that lends its name to a yoga pose |
| 51% | ELM | 3 | Tree that lends its name to a programming language |
| 51% | PEACH | 5 | Fruit that lends its name to a Georgia county |
| 51% | BETA | 4 | Letter that lends its name to a statistics distribution |
| 51% | POMERANIA | 9 | Region that lends its name to a dog breed |
| 51% | ASPEN | 5 | Tree that lends its name to a Colorado city |
| 51% | ABERDEEN | 8 | Scottish city that lent its name to a cattle breed |
| 51% | AMAZINGGR | 9 | Spiritual that lent its name to a 2015 Broadway musical |
| 51% | BOHEMIA | 7 | European region that lent its name to a nonconforming lifestyle |