skulduggery or (N American) skullduggery /skulˈ or skul-dugˈə-ri/

1. Underhand malpractices
2. Trickery

• card-index
• card-indexed
• card indexes
• card-indexes
• card-indexing
• card indices
• carding
• cardings
• carding wool
• cardio
• cardio-
• cardiogram
• cardiograms
• cardiograph
• cardiographer
• cardiographers
• cardiographies
• cardiographs
• cardiography
• cardioid
• cardioids
• cardiological
• cardiologies
• cardiologist
• cardiologists