bittor, bittour or bittur /bitˈər/ (Spenser, Dryden)

The bittern

• refrigeratory
• refringe
• refringed
• refringencies
• refringency
• refringent
• refringes
• refringing
• refroze
• refrozen
• refs
• reft
• refuel
• refuelable
• refuellable
• refuelled
• refuelling
• refuels
• refuge
• refuged
• refugee
• refugees
• refuges
• refugia
• refuging