interplay /inˈtər-plā/

1. Mutual action
2. Interchange of action and reaction

• weak-mindedness
• weak moment
• weak moments
• weakness
• weaknesses
• weak point
• weak points
• weak side
• weak sides
• weak-sighted
• weak sister
• weak sisters
• weak-spirited
• weak spot
• weak-willed
• weal
• weal-balanced
• weald
• Wealden
• wealds
• wealk'd
• weals
• wealsman
• wealsmen
• wealth