Give up and Write off

Give up verb - To give (something) over to the control or possession of another usually under duress.

Write off and give up are semantically related in abandon topic. In some cases you can use "Write off" instead a verb "Give up", when it comes to topics like get rid of.

Write off verb - To express scornfully one's low opinion of.

Give up and write off are semantically related in devalue topic. You can use "Give up" instead a verb "Write off".