triapsidal /trī-apˈsi-d(ə)l/

With three apses (also triapsˈal)

• brainstem
• brainstems
• brainstorm
• buccinatory
• Buccinum
• bucellas
• bucellases
• Bucentaur
• Bucephalus
• Buchmanism
• Buchmanite
• buchu
• buchus
• buck
• buckaroo
• buckaroos
• buckayro
• buckayros
• buck-basket
• buck-baskets
• buckbean
• buckbeans
• buckboard
• buckboards
• bucked