Related Clues:

• Simoleon
• Reticent one
• One who's close-mouthed
• Soup or sandwich ingredient
• Marine mollusk
• Untalkative one
• Secretive sort
• Quahog, e.g.
• Silent sort
• Chowder type
• Paradigm of happiness
• Popular seafood chain
• Chowder bit
• Close-mouthed one
• Littleneck, e.g.