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

1. Underhand malpractices
2. Trickery

• sissified
• sissiness
• sissinesses
• sissoo
• sissoos
• sissy
• sissyish
• sist
• sista
• sistas
• sisted
• sister
• sister-chromatid exchange
• sistered
• sisterhood
• sisterhoods
• sister hook
• sister hooks
• sistering
• sister-in-law
• sisterless
• sisterlike
• sisterliness
• sisterlinesses
• sisterly