| Answer | Crossword Clue |
|---|---|
| potash | potassium carbonate, esp. from wood ashes |
| potashes | potassium carbonate especially from wood ashes |
| lyes | a strong alkaline liquor rich in potassium carbonate leached from wood ashes and used especially in making soap and for washing |
| lye | a strong alkaline liquor rich in potassium carbonate leached from wood ashes and used especially in making soap and for washing |
| alkali | a soluble salt obtained from the ashes of plants and consisting largely of potassium or sodium carbonate |
