* Allowed: مُسْتَحَلّ (mustaḥall)
* Forbidden: حَرَام (ḥarām)
Note: There are other Arabic words that can be used to express "allowed" and "forbidden" depending on the context, such as:
* Allowed: مَشْرُوع (mašrūʿ) - "permitted" or "lawful"
* Forbidden: مُحَرَّم (muḥarram) - "prohibited" or "banned"
The specific word used will depend on the context and the nuance of meaning you want to convey.