1. A common rock-inhabiting fern of northern temperate regions having rusty-brown stipes and lanceolate pinnate fronds
   - rusty woodsia, fragrant woodsia, oblong woodsia

Type of: woodsia

• Korean lespedeza
• Korean Peninsula
• Korean Strait
• Korean velvet grass
• Korean War
• korfball
• Korinthos
• korma
• Korsakoff's psychosis
• Korsakoff's syndrome
• Korsakov's psychosis
• Korsakov's syndrome
• koruna
• Korzybski
• kos
• Kosciusko
• Kosciuszko
• kosher
• Kosovo
• Kosteletzya
• Kosteletzya virginica
• Kota
• Kotar
• Kotex
• koto