| 100% | GRAND | 5 | & 17A Deep gorge formed by the Colorado River in northern Arizona, US |
| 91% | GRAND | 5 | Deep gorge formed by the Colorado River in northern Arizona, US |
| 45% | MEAD | 4 | Lake —, reservoir in Arizona and Nevada, US, formed by the Hoover Dam across the Colorado River |
| 40% | MEAD | 4 | Lake —, reservoir in Arizona and Nevada formed by the Hoover Dam across the Colorado River |
| 40% | GRANDCANYON | 11 | Gorge carved by the Colorado River |
| 39% | YAZOO | 5 | River in Mississippi, US, formed by the confluence of the Tallahatchie and Yalobusha Rivers |
| 39% | OREGON | 6 | Home to the deepest lake and river gorge in the U.S. |
| 38% | HOOVERDAM | 9 | Structure that holds back the Colorado River in US |
| 36% | HUMBER | 6 | Large tidal estuary in northern England formed by the Rivers Ouse and Trent |
| 32% | SONORA | 6 | State bordered by the Colorado River |
| 32% | VEVO | 4 | Video music hosting group, formed by two of the "big three" record companies in the US |
| 31% | GIRONDE | 7 | Estuary in France formed by the confluence of the Rivers Dordogne and Garonne |
| 31% | SHATTALARAB | 11 | River in SE Iraq formed by the confluence of the Tigris and Euphrates Rivers |
| 31% | SHENANDOAH | 10 | River formed in Virginia, US, that joins the Potomac at Harpers Ferry, West Virginia |
| 30% | RAVINE | 6 | Deep gorge in the forest |
| 30% | TALLAHATCHIE | 12 | River rising in Mississippi, US, that converges with the Yalobusha at Greenwood to form the Yazoo |
| 29% | ADIGE | 5 | River in northern Italy that flows to the Adriatic via Verona |
| 29% | SANTEE | 6 | River formed by the Congaree and Wateree |
| 29% | CANYON | 6 | Grand ___, natural wonder carved by the Colorado River about 5 to 6 million years ago |
| 28% | CONGO | 5 | Deepest river in the world |
| 28% | WESER | 5 | River formed by the junction of the Fulda and Werra |
| 28% | ASSAD | 5 | Leader sanctioned by the U.S. in 2011 |
| 28% | YUMA | 4 | Arizona city on the Colorado river |
| 28% | ROLLING | 7 | __ in the Deep by Adele |
| 28% | RIME | 4 | Frost formed by the freezing of water droplets in fog onto solid objects |
| 28% | PELVIS | 6 | Large funnel-shaped structure formed by the hipbones, sacrum and coccyx in man |
| 28% | GRENADA | 7 | Caribbean island country invaded by the US in 1983 |
| 28% | TAHOE | 5 | Deepest lake in the continental U.S. |
| 27% | RIME | 4 | Frost formed by the freezing of supercooled water droplets in fog onto solid objects |