Set back and Slow up

Set back verb - Hold back to a later time.

Slow up and set back are semantically related in delay topic. In some cases you can use "Slow up" instead a verb "Set back".

Slow up verb - Lose velocity; move more slowly.

Set back and slow up are semantically related in hold topic. You can use "Set back" instead a verb "Slow up", if it concerns topics such as stick, delay, hinder.