pang (noun) – a sudden sharp pain or feeling
Here are some examples of how you can use pang:
How are you dealing with the pangs of childbirth?
She felt pangs of jealousy when she saw her best friend in her wedding dress.
Passing the pizza house where there was a wonderful smell of freshly baked bread, I had pangs of hunger.
I felt a pang of guilt when I heard my neighbour shouting at her children.
Seeing those hungry children gave me a pang of conscience.