| Rating | Solver | Clue |
|---|---|---|
| CRUST | Hard outer part | |
| HEARTWOOD | The hard, central part of the trunk of a tree, consisting of the old and matured wood, and usually differing in color from the outer layers. It... | |
| HUSK | Corn’s outer part | |
| ARIL | Hard outer covering | |
| SHELL | Hard outer covering | |
| RIND | Hard outer layer of right hand | |
| ENAMEL | Hard outer layer of a tooth | |
| CRUSTS | Slice parts of hard outer layers | |
| SPACE | Part of the universe, outer ___ | |