| Rating | Solver | Clue |
|---|---|---|
| HARD | Solid | |
| FIRM | Solid | |
| FACES | Solid surfaces? | |
| GROUNDS | Solid surfaces | |
| DRYICE | Solid CO2 | |
| CHARCOAL | Solid fuel | |
| RIGID | Frozen solid | |
| TERRAFIRMA | Solid ground | |
| CAKE | Solid block | |
| HOLLOW | Not solid | |
| POLYHEDRA | Solid figures | |
| CUBE | Solid square | |
| HARDEN | Become solid | |
| SPHERE | Solid figure | |
| DIODE | Solid-state device | |
| FIRMER | More solid | |
| LIQUID | Not solid | |
| TETRAHEDRON | Four-sided solid | |
| SEMISOLID | Partially solid. | |
| TERRA FIRMA | Solid land (5,5) | |
| DRY ICE | Solid CO2 (3,3) | |
| OCTAHEDRON | Eight-faced solid shape | |
| ICE | Water frozen solid | |
| TORUS | Ring shape solid | |
| PRISM | Light dispersing solid | |