1. Ill-smelling European herb with rugose leaves and whorls of dark purple flowers
   - black horehound, black archangel, stinking horehound, Ballota nigra

Derived forms: fetid horehounds

Type of: herb, herbaceous plant

Part of: Ballota, genus Ballota

• Sophonias
• Sophora
• Sophora japonica
• Sophora secundiflora
• Sophora sinensis
• Sophora tetraptera
• sopor
• soporiferous
• soporific
• soporifically
• sopper
• soppily
• soppiness
• sopping
• soppy
• sopranino
• soprano
• soprano clef
• sops
• sora
• sorb
• sorb apple
• sorb apple tree
• sorbate
• sorbed