diptych /dipˈtik/

1. A pair of pictures, esp with a religious theme, painted on hinged wooden panels
2. A double-folding wooden writing tablet
3. A register of bishops, saints, etc read aloud during the Eucharist

• sea beasts
• sea-beat
• sea-beaten
• seabed
• seabeds
• Seabee
• sea beet
• sea beets
• sea belt
• sea belts
• sea-berry
• seabird
• seabirds
• sea biscuit
• sea biscuits
• seablite
• seablites
• sea blubber
• sea blubbers
• sea-blue
• seaboard
• seaboards
• sea boat
• sea boats
• sea boots