malfeasance /mal-fēˈzəns/

1. Evil-doing, wrongdoing (rare)
2. An illegal deed, esp by an official (law)

• siltation
• siltations
• silted
• siltier
• siltiest
• silting
• silts
• siltstone
• siltstones
• silty
• Silurian
• silurid
• Siluridae
• silurids
• silurist
• silurists
• siluroid
• silva
• silvae
• silvan
• silvas
• silvatic
• silver
• Silver Age
• silverback