To make sharp or sharper.
| SHARPEN (SOMETHING) | linked | IMPROVE (SOMETHING) |
| SHARPEN (SOMETHING) | linked | SCRATCH |
| SHARPEN (SOMETHING) | linked | IMPROVE (SOMETHING) |
| SHARPEN (SOMETHING) | linked | SCRATCH |
| SCRATCH | linked | SHARPEN (SOMETHING) |
| RUB | linked | SHARPEN (SOMETHING) |
| SCRATCH | linked | SHARPEN (SOMETHING) |
| Id | Concept in source | Conceptlist |
|---|---|---|