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

• water dropworts
• watered
• watered-down
• water elder
• water elders
• water engine
• water engines
• water equivalent
• water equivalents
• waterer
• waterers
• waterfall
• waterfalls
• water fern
• water ferns
• water-finder
• water-finders
• water flag
• water flags
• water flea
• water fleas
• water flies
• water flood
• waterflood
• waterflooding