Jam-up and Pass on

Jam-up noun - A crowded mass (as of cars) that impedes or blocks movement.

Pass on and jam-up are semantically related. In some cases you can use "Pass on" instead a verb phrase "Jam-up".

Pass on verb - To stop living.

Jam-up and pass on are semantically related. Sometimes you can replace phrase "Jam-up" with "Pass on", this terms are similar.