rotula /rotˈū-lə/

1. The knee-cap (anatomy)
2. A radial piece of Aristotle's lantern in sea-urchins (zoology)

• harmonious
• harmoniously
• harmoniousness
• harmoniousnesses
• harmoniphon
• krangs
• krans
• kranses
• krantz
• krantzes
• kranz
• kranzes
• krater
• kraut
• krauts
• krav maga
• kreasote
• kreatine
• Krebs cycle
• kreese
• kremlin
• Kremlinologist
• Kremlinology
• kremlins
• kreng