potassa /pə-tasˈə/ (chem; now rare)

1. Potash
2. Potassium monoxide or potassium hydroxide
3. Formerly used for potassium in compound names, eg carbonate of potassa

• pepos
• pepped
• pepper
• pepper-and-salt
• pepper box
• pepper boxes
• pepper-cake
• pepper-caster
• pepper-casters
• pepper-castor
• peppercorn
• peppercorns
• peppercorny
• peppered
• peppered moth
• peppered moths
• pepperer
• pepperers
• pepper-gingerbread
• pepper grass
• pepper grasses
• pepperidge
• pepperidges
• pepperier
• pepperiest