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

• quieten
• quietened
• quietening
• quietenings
• quietens
• quieter
• quieters
• quietest
• quieting
• quietings
• quietism
• quietisms
• quietist
• quietistic
• quietists
• quietive
• quietives
• quietly
• quietness
• quietnesses
• quiets
• quietsome
• quietude
• quietudes
• quietus