peccadillo (n.)
- atrocity
- blunder
- botch
- breach
- crime
- delinquency
- dereliction
- enormity
- error
- evil
- failure
- fault
- felony
- gaffe
- genocide
- goof
- impropriety
- indiscretion
- infraction
- iniquity
- injury
- injustice
- lapse
- malfeasance
- misdeed
- misdemeanor
- misfeasance
- misstep
- mistake
- nonfeasance
- offense
- omission
- outrage
- shortcoming
- sin
- slip
- stumble
- tort
- transgression
- trespass
- trip
- violation
- wrong