Knock down and Set upon

Knock down verb - To receive as return for effort.

Set upon and knock down are semantically related. In some cases you can use "Set upon" instead a verb "Knock down".

Set upon verb - Assail or attack on all sides: "The zebra was beset by leopards".

Knock down and set upon are semantically related. Sometimes you can use "Knock down" instead a verb "Set upon".