put away vs jettison

put away and jettison both are verbs.

Word	Noun	Adjective	Verb	Adverb
put away	No	No	Yes	No
jettison	No	No	Yes	No

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

put away (verb)	jettison (verb)
turn away from and put aside, perhaps temporarily	throw as from an airplane
eat up; usually refers to a considerable quantity of food	throw away, of something encumbering
kill gently, as with an injection
place in a place where something cannot be removed or someone cannot escape
stop using
throw or cast away
lock up or confine, in or as in a jail