triapsidal /trī-apˈsi-d(ə)l/

With three apses (also triapsˈal)

• rumpling
• rumply
• Rump Parliament
• rump-post
• rump-posts
• rumps
• rump steak
• rump steaks
• rumpti-iddity
• rum punch
• rumpus
• rumpuses
• rumpus room
• rumpus rooms
• rumpy
• rumpy-pumpy
• rum-runner
• rum-running
• rums
• rum shop
• rum shops
• rum shrub
• rumti-iddity
• rum-ti-tum
• run