Answer:

stockpile

AnswerCrossword Clue
STOCKPILEAmass
STOCKPILEAtom bomb hoard.
STOCKPILEAtomic granary.
STOCKPILEReserve of scarce commodities.
STOCKPILEGovernment reserve supply
STOCKPILEReserve supply
STOCKPILEHoard