| Rating | Solver | Clue |
|---|---|---|
| PLANAR | Flat, level | |
| PLAT | Plain; flat; level. | |
| CHAMPAIGN | Flat; open; level. | |
| AFLAT | Level with the ground; flat. | |
| FLAT | To make flat; to flatten; to level. | |
| PLAIN | Without elevations or depressions; flat; level; smooth; even. See Plane. | |
| PLANO- | Combining forms signifying flat, level, plane; as planifolious, planimetry, plano-concave. | |
| PLATEAU | A flat surface; especially, a broad, level, elevated area of land; a table-land. | |
| PLANE | Without elevations or depressions; even; level; flat; lying in, or constituting, a plane; as, a plane surface. | |
| FLATTEN | To reduce to an even surface or one approaching evenness; to make flat; to level; to make plane. | |
| LEVEL | To bring to a lower level; to overthrow; to topple down; to reduce to a flat surface; to lower. | |
| PLATFORM | Any flat or horizontal surface; especially, one that is raised above some particular level, as a framework of timber or boards horizontally joi... | |