put away vs lock away

put away and lock away both are verbs.

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

As verbs, put away and lock away are synonyms defined as:

put away and lock away: place in a place where something cannot be removed or someone cannot escape

Other synonyms of put away include lock, lock in, lock up, shut away, shut up.

put away (verb)	lock away (verb)
turn away from and put aside, perhaps temporarily	place in a place where something cannot be removed or someone cannot escape
eat up; usually refers to a considerable quantity of food
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