It is found in many English words, including:
* Justice: The quality of being just or fair.
* Justify: To show or prove to be right or reasonable.
* Justification: The act of justifying or the state of being justified.
* Jurisdiction: The right or authority to administer justice.
* Jurisprudence: The theory or philosophy of law.
Therefore, the root word jus conveys the idea of fairness, legality, and properness.