Related Clues:

• Tiresome routine
• Wagon wheel groove
• By __ (one way to learn)
• It's hard to get out of
• Teaching style
• Decorative design
• Deep groove
• Monotonous practice
• Design linchpin
• Interior decorator's concern
• Memory work
• Fleur-de-lis, for one
• Tiresome grind
• Concavity
• Artist's theme