regula /regˈū-lə/

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

• decalescence
• decalescences
• decalitre
• decalitres
• decalogist
• decalogists
• decalogue
• decalogues
• decals
• Decameron
• decameronic
• decamerous
• decametre
• decametres
• decamp
• decamped
• decamping
• decampment
• decampments
• decamps
• decanal
• Decandria
• decandrian
• decandrous
• decane