Accuracy, or exact correspondence to some given quality or fact.
Faithfulness to one's duties.
Loyalty to one's spouse or partner, including abstention from cheating or extramarital affairs.
The degree to which a system accurately reproduces an input.
Casual and/or flirtatious sexual acts.
A playfully annoying action.
A group or a pack of rats.
A criminal offence defined in various ways in various jurisdictions, sometimes including causing damage to another's property.
Conduct that playfully causes petty annoyance.
The Devil; used as an expletive.