倉庫
そうこ · souko · JLPT N2 · noun
warehouse
🏬 倉 (kura, storehouse) + 庫 (ko, storehouse): two words for the same thing, so 倉庫 means storehouse, a warehouse.
倉 and 庫 both mean storehouse on their own; doubling them makes a stronger compound. Sound it as so-u-ko: 'so' + 'ko' for storage.