Pass up and Pass on

Pass up verb - To show unwillingness to accept, do, engage in, or agree to.

Pass on and pass up are semantically related in give up topic. In some cases you can use "Pass on" instead a verb "Pass up", when it comes to topics like say no to, decide not to do.

Pass on verb - To stop living.

Pass up and pass on are semantically related in give up topic. Sometimes you can use "Pass up" instead a verb "Pass on", if it concerns topics such as say no to, decide not to do.