| 100% | FOAMING | 7 | Generating a mass of bubbles; __ at the mouth |
| 56% | CALDERA | 7 | Depression at the mouth of a volcano |
| 56% | DELTA | 5 | Landform at the mouth of a river |
| 56% | DELTA | 5 | Area at the mouth of a river |
| 56% | DELTAS | 6 | Deposits at the mouth of a river |
| 56% | DELTA | 5 | Deposit at the mouth of a river |
| 56% | DELTA | 5 | Buildup at the mouth of a river |
| 54% | DELTA | 5 | Area at the mouth of a river or a Greek letter |
| 52% | VORTEX | 6 | Whirling mass of air, with a vacuum at the center |
| 51% | TULIP | 5 | Flower at the center of a financial bubble in the 1630s |
| 51% | GROUPHUG | 8 | Mass at the end of a team meeting, perhaps |
| 50% | KINGSLYNN | 9 | Market town in Norfolk at the mouth of the Great Ouse; a leading port in the Middle Ages |
| 48% | FOAM | 4 | Mass of bubbles on a liquid |
| 46% | FROTHS | 6 | Forms a mass of small bubbles |
| 46% | ANTICOSTI | 9 | Island at the mouth of the |
| 46% | CORNICE | 7 | A mass of overhanging snow, deposited by the wind |
| 46% | NEWHAVEN | 8 | City at the mouth of the Quinnipiac |
| 46% | OSTIA | 5 | Town at the mouth of the Tiber |
| 46% | NANTES | 6 | City at the mouth of the Loire |
| 46% | RUN | 3 | ___ off at the mouth (talk a lot) |
| 46% | RABID | 5 | Foaming at the mouth, like a dog |
| 46% | RIAS | 4 | Formations at the mouths of some streams |
| 46% | HAT | 3 | At the drop of a ___ |
| 45% | FOAM | 4 | ___ at the mouth (what a rabid dog might do) |
| 45% | FOAM | 4 | ___ at the mouth (what a rabid animal might do) |
| 45% | HONGKONG | 8 | City at the mouth of the Pearl River |
| 45% | OSTIA | 5 | Ancient city at the mouth of the Tiber |
| 45% | OSHKOSH | 7 | City at the mouth of the Fox River |
| 45% | NANTES | 6 | City at the mouth of the Loire River |
| 45% | HORMUZ | 6 | Island at the mouth of the Persian Gulf |