lock in vs shut away

lock in and shut away both are verbs.

Word	Noun	Adjective	Verb	Adverb
lock in	No	No	Yes	No
shut away	No	No	Yes	No

As verbs, lock in and shut away are synonyms defined as:

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

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

lock in (verb)	shut away (verb)
place in a place where something cannot be removed or someone cannot escape	place in a place where something cannot be removed or someone cannot escape
close with or as if with a tight seal