| 100% | SCUM | 4 | Layer of froth on the surface of a pond |
| 71% | SCUM | 4 | Gunky stuff on the surface of a pond |
| 69% | LILYPAD | 7 | Plant floating on the surface of a pond: 2 wds. |
| 68% | SCUM | 4 | Unwanted frothy layer on the surface of a liquid |
| 64% | ADSORBS | 7 | Gathers on the surface, as a layer of molecules |
| 59% | RHUMB | 5 | Curve on the surface of a sphere |
| 59% | CAMBER | 6 | Curvature on the surface of a road |
| 59% | SCUM | 4 | Film on the surface of a liquid |
| 59% | DENTS | 5 | Flaws on the surface of a can |
| 58% | TOPPER | 6 | Decoration placed on the surface of a cake |
| 56% | SCUM | 4 | Layer of grime on a pond |
| 55% | DUCKWEED | 8 | Floating water plant found on the surface of ponds |
| 53% | ALGAE | 5 | Layer of greenish slime on a pond |
| 51% | FRESCO | 6 | The art of painting on a moist plastered surface |
| 51% | PLANKTON | 8 | Collection of organisms inhabiting the surface layer of a sea or lake |
| 51% | SKINTONE | 8 | Pigmentation on the outer layer of a person |
| 49% | ONTO | 4 | On the surface of |
| 49% | ATOP | 4 | On the surface of |
| 48% | RATE | 4 | Bit of info on the side of a taxi |
| 48% | ACORN | 5 | One of two on the back of a dime |
| 48% | TOR | 3 | Pile of rocks on the top of a mountain |
| 47% | TIPSTER | 7 | Provider of input on the outcome of a sports event |
| 46% | SPLOSH | 6 | Quiet sound of water on the side of a pail, say |
| 46% | ALGA | 4 | Growth at the bottom of a pond |
| 46% | STAT | 4 | % on the back of a baseball card, say |
| 46% | GILTS | 5 | Thin layers of gold on various surfaces |
| 46% | BOB | 3 | Bounce, as on the surface of water |
| 46% | MAR | 3 | Damage the surface of a car, say |
| 46% | MAR | 3 | Scratch the surface of a car, say |
| 46% | SCREE | 5 | Detritus on the side of a mountain |