nostrum /nosˈtrəm/

1. Any secret, quack or patent medicine
2. Any favourite remedy or scheme

• ultrasonics
• ultrasonography
• ultrasound
• ultrasounds
• ultrastructure
• ultrastructures
• ultra-tropical
• ultraviolet
• ultraviolet microscope
• ultraviolet spectroscopies
• ultraviolet spectroscopy
• ultraviolet star
• ultraviolet stars
• ultra vires
• ultra-virtuous
• ultroneous
• ultroneously
• ultroneousness
• ultroneousnesses
• ululant
• ululate
• ululated
• ululates
• ululating
• ululation