| Rating | Solver | Clue |
|---|---|---|
| VIGOR | Potency | |
| POWER | Potency | |
| OOMPH | Potency | |
| POTENCE | Potency; capacity. | |
| PUISSANCE | Power; strength; might; force; potency. | |
| POTENTNESS | The quality or state of being potent; powerfulness; potency; efficacy. | |
| VIRTUE | Active quality or power; capacity or power adequate to the production of a given effect; energy; strength; potency; efficacy; as, the virtue of a medicine. | |