Synonyms for Cache (same or very similar meaning)
WordNet sense 1 (a secret store of valuables or money):
hoard, stash
WordNet sense 2 ((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):
memory cache
WordNet sense 3 (save up as for future use):
hive up, squirrel away
From the ODE community, based on WordNet
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