| Rating | Solver | Clue |
|---|---|---|
| TETRAHEDRON | Four-sided solid | |
| ICOSITETRAHEDRON | A twenty-four-sided solid; a tetragonal trisoctahedron or trapezohedron. | |
| CANTHARIDIN | The active principle of the cantharis, or Spanish fly, a volatile, acrid, bitter solid, crystallizing in four-sided prisms. | |
| SQUARE | Four-sided figure | |
| OBLONG | Four-sided figure | |
| SQUARES | Four-sided figures | |
| RECTANGLE | Four sided figure | |
| QUADRANGLES | Four sided figures | |
| RHOMBUS | Four sided figures | |
| SQUARER | Four sided figures | |