Collocations for remorse - noun

deep, genuine, great, real

pang, stab

be filled with, be full of, be overcome with, be stricken with, feel, have, suffer
She knew that the next day she would be full of remorse.
I suffered no remorse.

display, express, show

without remorse
He died without remorse.

remorse at
He felt some remorse at his actions.

remorse for
She was filled with remorse for the crime.

remorse over
She felt a sharp pang of remorse over the incident.

buyer's remorse (= after buying sth that you do not really need, like, etc.)
After spending $720 on the shoes, she suffered buyer's remorse.

a feeling of remorse