bounce vs pounce

bounce and pounce both are nouns.

Word	Noun	Adjective	Verb	Adverb
bounce	Yes	No	Yes	No
pounce	Yes	No	Yes	No

As nouns, pounce is a hyponym of bounce; that is, pounce is a word with a more specific, narrower meaning than bounce:

Other hyponyms of bounce include caper, capriole.

bounce (noun)	pounce (noun)
a light, self-propelled movement upwards or forwards	the act of pouncing
the quality of a substance that is able to rebound
rebounding from an impact (or series of impacts)

bounce (verb)	pounce (verb)
eject from the premises	move down on as if in an attack
hit something so that it bounces
spring back; spring away from an impact
leap suddenly
move up and down repeatedly
come back after being refused
refuse to accept and send back