Nouns

(n)cachea hidden storage space (for money or provisions or weapons)
(n)hoard, cache, stasha secret store of valuables or money
(n)cache, memory cache(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

Verbs

(v)hoard, stash, cache, lay away, hive up, squirrel awaysave up as for future use