dispose vs jettison

dispose and jettison both are verbs.

Word	Noun	Adjective	Verb	Adverb
dispose	No	No	Yes	No
jettison	No	No	Yes	No

As verbs, jettison is a hyponym of dispose; that is, jettison is a word with a more specific, narrower meaning than dispose:

dispose (verb)	jettison (verb)
make fit or prepared	throw as from an airplane
make receptive or willing towards an action or attitude or belief	throw away, of something encumbering
place or put in a particular order
throw or cast away
give, sell, or transfer to another