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

1. Underhand malpractices
2. Trickery

• musky
• Muslim
• Muslimism
• muslin
• muslined
• muslinet
• muslinets
• muslin-kale
• muslins
• musmon
• musmons
• muso
• musos
• musquash
• musquashes
• musquetoon
• musquetoons
• musrol
• musrols
• muss
• musse
• mussed
• mussel
• musselled
• mussel-plum