'Hoard' as a noun means 'stock or collection' and as a verb means 'to store, to collect or to amass'. Option C - 'Store' as a noun means 'hoard, pile or stock' and as a verb means 'to accumulate, to hoard or to pile', which is similar to the meaning of the given word 'Hoard'.
On the other hand, Option A - 'Destroy' is a verb which means 'to demolish, to dismantle or to ruin', Option B - 'Hide' is a verb which means 'to conceal, to secrete or to put out of sight', Option D - 'Divide' is a verb which means 'to split, to dissect or to cut', none of which is similar to the meaning of the given word.
Therefore, the most appropriate synonym of the given word 'Hoard' is Option C - Store.