malpractice /mal-prakˈtis or malˈ/

1. An evil or improper practice
2. Professional misconduct
3. Treatment falling short of reasonable skill or care
4. The illegal attempt of a person in a position of trust to benefit at the expense of others

malpractitioner /-tishˈən-ər/ noun

• ochreate
• ochred
• ochreous
• ochres
• ochrey
• ochring
• ochroid
• ochroleucous
• ochrous
• ochry
• -ock
• ocker
• ockerism
• Ockerism
• ockerisms
• ockers
• Ockhamism
• Ockhamist
• Ockham's razor
• o'clock
• o'clock for earlier of the clock
• ocotillo
• ocotillos
• OCR
• ocrea