quassia /kwoshˈə or kwoshˈyə/

1. A S American tree (Quassia amara; family Simarubaceae), with bitter wood and bark used in herbal remedies
2. A West Indian tree of the same family (Picraena excelsa)

• heavier
• heavier-than-air
• heavies
• heaviest
• heavily
• heaviness
• heavinesses
• heaving
• heavings
• Heaviside layer
• heavy
• heavy-armed
• heavy breather
• heavy breathers
• heavy breathing
• heavy chemicals
• heavy cream
• heavy-duty
• heavy going
• heavy-handed
• heavy-headed
• heavy-hearted
• heavy horse
• heavy horses
• heavy hydrogen