guaiacum /gwīˈə-kəm/

1. Any of a family of tropical American trees of the genus Guaiacum, some yielding lignum vitae
2. (also guaiac) their greenish resin, used in medicine

• sparely
• spareness
• sparenesses
• spare part
• spare parts
• spare-part surgery
• sparer
• spare rib
• spare ribs
• spare room
• spare rooms
• sparers
• spares
• sparest
• spare time
• spare-time
• spare times
• spare tyre
• spare tyres
• sparganium
• sparganiums
• sparge
• sparged
• sparger
• spargers