It can also be used figuratively to describe something harmful or dangerous, such as:
* Zeher-e-kalam: Poisonous words or writing
* Zeher-e-mohabbat: The pain or bitterness of love
* Zeher-e-duniya: The evils of the world
It's important to note that "zeher" is a strong word with negative connotations. It's not usually used in a lighthearted or casual way.