| 100% | RIO | 3 | ___ Grande (US/Mexico river) |
| 100% | RIO | 3 | ___ Grande, river flowing through the southern U.S. and Mexico |
| 92% | RIO | 3 | ___ Grande (river between the US and Mexico) |
| 89% | RIO | 3 | ___ Grande (US/Mexico border river) |
| 86% | RIO | 3 | ___ Grande, major U.S. and Mexico river |
| 84% | RIO | 3 | ___ Grande (U.S./Mexico border river) |
| 78% | RIOBRAVO | 8 | River between the US and Mexico (2 words) |
| 77% | PECOS | 5 | River through New Mexico that feeds the Rio Grande |
| 75% | PECOS | 5 | River from New Mexico that flows into the Rio Grande |
| 74% | RIO | 3 | ___ Grande: river in the SW United States and northern Mexico |
| 72% | PECOS | 5 | River that flows from New Mexico through Texas to the Rio Grande |
| 72% | ALBUQUERQUE | 11 | Largest city in New Mexico, US, on the Rio Grande |
| 71% | UTEP | 4 | University in the US which overlooks the Rio Grande river: Abbr. |
| 69% | ELPASO | 6 | City in Texas, US, on the Rio Grande opposite Ciudad Juarez, Mexico |
| 68% | BROWNSVILLE | 11 | Port on the Rio Grande, Texas, US, across the border from Matamoros, Mexico |
| 68% | RIO | 3 | ___ Grande (Texas/Mexico border river) |
| 66% | RIO | 3 | ___ Grande (river in the southwestern US) |
| 66% | RIO | 3 | ___ Grande (river bordering Texas and Mexico) |
| 65% | RIO | 3 | ___ Grande (river on the US southern border) |
| 65% | RIO | 3 | ___ Grande (river that separates Texas from Mexico) |
| 65% | RIO | 3 | ___ Grande (river to the Gulf of Mexico) |
| 62% | PECOS | 5 | New Mexico river |
| 62% | SUWANNEE | 8 | US river rising in the Okefenokee Swamp on the Georgia-Florida border that flows to the Gulf of Mexico |
| 62% | SUWANNEE | 8 | US river rising in the Okefenokee Swamp on the Georgia-Florida border which flows to the Gulf of Mexico |
| 62% | RIO | 3 | ___ Grande (river that flows to the Gulf of Mexico) |
| 61% | NIAGARA | 7 | U.S. border river |
| 59% | RIO | 3 | River, in Mexico |
| 59% | BALSAS | 6 | River in Mexico |
| 59% | RIO | 3 | River in Mexico |
| 59% | RIO | 3 | ___ Grande river |