| Rating | Solver | Clue |
|---|---|---|
| ATOP | Upon | |
| OVER | Upon | |
| ONTO | Upon | |
| UP | Upon. | |
| RUN ACROSS | Chance upon | |
| DESCEND | Pounce (upon) | |
| ATTACKING | Pouncing (upon) | |
| IMPINGES | Touches (upon) | |
| DESCENDING | Pouncing (upon) | |
| CHANCE | Happen (upon) | |
| INVADES | Encroaches upon | |
| INFRINGE | Encroach (upon) | |
| ENLISTS | Calls upon | |
| CHANCING | Happening (upon) | |
| NOTES | Remarks upon | |
| SUMMONED | Called upon | |
| ASKED | Called upon | |
| NOTING | Remarking upon | |
| CHANCED | Happened (upon) | |
| SWOOP | Pounce (upon) | |
| IMPINGING | Touching (upon) | |
| REGARDED | Looked upon | |
| RATON | Inform upon | |
| ASK | Call upon | |
| VISIT | Call upon | |