Keep off and Push back

Keep off verb - Refrain from entering or walking onto.

Push back and keep off are semantically related in repulse topic. In some cases you can use "Push back" instead a verb "Keep off", when it comes to topics like push away.

Push back verb - Cause to move back by force or influence.

Keep off and push back are semantically related in repulse topic. You can use "Keep off" instead a verb "Push back", if it concerns topics such as push away.