regula /regˈū-lə/

1. The rule of a religious order
2. A fillet, esp under the Doric taenia, below each triglyph (architecture)

• upbeat
• up-beats
• upbind
• upbinding
• upbinds
• upblew
• upblow
• upblowing
• upblown
• upblows
• upboil
• upboiled
• upboiling
• upboils
• upbore
• upborne
• upbound
• upbounden
• upbow
• upbows
• upbraid
• upbraided
• upbraider
• upbraiders
• upbraiding