| Rating | Solver | Clue |
|---|---|---|
| ROOM | Chamber | |
| ATRIUM | Chamber | |
| CATACOMB | Burial chamber | |
| VENTRICLE | Cardiac chamber | |
| CAVERN | Subterranean chamber | |
| MAUSOLEUM | Burial chamber | |
| SENATE | Legislative chamber | |
| VAULT | Burial chamber | |
| SILO | Missile chamber | |
| ROOMIEST | Largest (chamber) | |
| BIPARTISAN | Cross-chamber (support) | |
| CAVE | Underground chamber | |
| KILN | Baking chamber | |
| CAISSON | Watertight chamber | |
| FURNACE | Burning chamber | |
| SEPULCHRE | Burial chamber | |
| GROTTO | Underground chamber | |
| OVEN | Baking chamber | |
| CRYPT | Burial chamber | |
| TOMB | Burial chamber | |
| CHAMBERED | Of Chamber | |
| CHAMBERING | Of Chamber | |
| OVAL OFFICE | US president’s chamber | |
| OVALOFFICE | US president’s chamber | |
| DIVINGBELL | Submersible chamber (6,4) | |