Related Clues:

• Linguists' interests
• Patterns that repeat
• Surcharge or duty
• To remove by surgery
• Group's basic customs
• Customs inspector hauling last couple up
• Tax on goods produced for the home market
• Type of jazz -- it is entertaining on conventions
• Routes; methods
• Processes
• Ways of life further south
• Attire worn by women riders
• Behavior patterns
• Tough things to kick
• 'Evil ___' (Santana hit)