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

• trialisms
• trialist
• trialists
• trialities
• triality
• trialled
• trialling
• triallist
• triallists
• trial marriage
• trial marriages
• trial of strength
• trial of the pyx
• trialogue
• trialogues
• trial run
• trial runs
• trials
• trial trip
• trial trips
• trialware
• Triandria
• triandrian
• triandrous
• triangle