bounce vs eject

bounce is a noun but eject is not a noun.

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

As verbs, eject is a hypernym of bounce; that is, eject is a word with a broader meaning than bounce:

Other hypernyms of bounce include boot out, chuck out, exclude, turf out, turn out.

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

bounce (verb)	eject (verb)
eject from the premises	eliminate (a substance)
hit something so that it bounces	cause to come out in a squirt
spring back; spring away from an impact	put out or expel from a place
leap suddenly	leave an aircraft rapidly, using an ejection seat or capsule
move up and down repeatedly
come back after being refused
refuse to accept and send back