| Answer | Crossword Clue |
|---|---|
| FACE | Surface of a thing. |
| insides | The inner side or surface of a thing |
| overlays | Cover the surface of (a thing) with a coating |
| overlaying | Cover the surface of (a thing) with a coating |
| hollower | (of a thing) Having a depression in its surface; concave |
| hollowest | (of a thing) Having a depression in its surface; concave |
| hollow | (of a thing) Having a depression in its surface; concave |
| concavities | A concave surface or thing |
| concavity | concave surface or thing; cavity |
