stack away vs salt away

stack away and salt away both are verbs.

Word	Noun	Adjective	Verb	Adverb
stack away	No	No	Yes	No
salt away	No	No	Yes	No

As verbs, stack away and salt away are synonyms defined as:

Other synonyms of stack away include hive away, lay in, put in, stash away, store.

stack away (verb)	salt away (verb)
keep or lay aside for future use	keep or lay aside for future use