| Answer | Crossword Clue |
|---|---|
| ARSEN | A poison in Potsdam |
| ARSENO | A poison, in combinations. |
| ARSENIC | Poison used in a play |
| ARSENIC | Poison used in a play and film |
| SCRATCH | Deal with poison ivy, in a way |
| YEW | Poison source in Christie's "A Pocket Full of Rye" |
| ARSENIC | Abby and Martha's poison of choice, in a 1939 play |
