Pounce is a verb that typically means to swoop down on something or someone with speed and agility. It can also refer to seizing an opportunity or reacting quickly to a situation. By using pounce in your sentences, you can convey a sense of action, decisiveness, and keen observation.

to move suddenly forwards in order to attack or catch somebody/something The lion crouched ready to pounce. The cat crouched down as if about to pounce. pounce on/upon somebody/something The muggers pounced on her as she got out of the car. Hegerberg pounced on the loose ball and scored.

The answer is that it depends on the context. If you are talking about a cat leaping on a mouse, then “pounce” is the correct word to use. If you are discussing a ball hitting the ground and coming back up, then “bounce” is the appropriate word.