squirrel away vs cache

squirrel away is not a noun while cache is a noun.

Word	Noun	Adjective	Verb	Adverb
squirrel away	No	No	Yes	No
cache	Yes	No	Yes	No

As verbs, squirrel away and cache are synonyms defined as:

Other synonyms of squirrel away include hive up, hoard, lay away, stash.

squirrel away (noun)	cache (noun)
	a hidden storage space (for money or provisions or weapons)
	(computer science) RAM memory that is set aside as a specialized buffer storage that is continually updated; used to optimize data transfers between system elements with different characteristics
	a secret store of valuables or money

squirrel away (verb)	cache (verb)
save up as for future use	save up as for future use