| Hint | Answer | % Correct |
|---|---|---|
| Obvious and clear to understand | Plain | 92%
|
| Vehicle designed for air travel | Plane | 92%
|
| Not decorated in any way | Plain | 89%
|
| Unattractive | Plain | 89%
|
| Paper that has no lines on it | Plain | 85%
|
| Skim across the surface of the water | Plane | 81%
|
| Simple knitting stitch | Plain | 76%
|
| Unbounded two-dimensional shape | Plane | 75%
|
| Tool for smoothing or shaping wood | Plane | 69%
|
| Large area of flat land at low elevation | Plain | 68%
|
| Level of existence or consciousness | Plane | 68%
|
| Large tree with wide leaves | Plane | 47%
|