nonfeasance (n.)
- atrocity
- breach
- crime
- culpa
- default
- delinquency
- dereliction
- disregard
- enormity
- error
- evil
- failure
- fault
- felony
- genocide
- impropriety
- inadvertence
- inadvertency
- inattention
- indiscretion
- inexpedience
- inexpediency
- iniquity
- injury
- injustice
- lapse
- laxity
- laxness
- looseness
- malfeasance
- malpractice
- misconduct
- misdeed
- misdemeanor
- misdirection
- misfeasance
- misgovernment
- mismanagement
- misrule
- neglect
- neglectfulness
- negligence
- nonaccomplishment
- nonachievement
- noncompliance
- nonconformance
- nonconformity
- noninterference
- nonobservance
- nonperformance
- offense
- omission
- outrage
- oversight
- peccadillo
- permissiveness
- procrastination
- remissness
- sin
- slackness
- slight
- slip
- tort
- transgression
- trespass
- trip
- wrong
- wrongdoing
