General terms:
* Violations
* Breaches
* Offenses
* Wrongdoings
* Misdeeds
* Infractions
* Trespasses
* Sins (in a religious context)
More formal or legal terms:
* Crimes
* Delinquencies
* Misconduct
* Indiscretions
More informal or colloquial terms:
* Mistakes
* Errors
* Faux pas
* Slip-ups
Words that emphasize the severity of the transgression:
* Abominations
* Outrages
* Iniquities
* Absurdities
The best word to use will depend on the specific context and the level of formality you desire.