Jab and Set upon

Jab verb - To penetrate or hold (something) with a pointed object.

Set upon and jab are semantically related In some cases you can use "Set upon" instead a verb "Jab".

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

Jab and set upon are semantically related in pounce topic. Sometimes you can use "Jab" instead a verb "Set upon".