As nouns the difference between depository and stockpile
is that depository is a place where something is deposited, as for storage, safekeeping, or preservation; a repository while stockpile is a supply of something kept safe for future use.
As a verb stockpile is
to accumulate a stockpile.
depository
English
Noun
(depositories)
A place where something is deposited, as for storage, safekeeping or preservation; a repository.
A trustee; a depositary.
Antonyms
* nondepository
stockpile
English
Verb
(stockpil)
To accumulate a stockpile.