The term 'empty out' can be solved by four different crossword solutions: DEPLETE (7 letters), DRAIN (5 letters), UNPACK (6 letters), and DUMP (4 letters). DEPLETE means to reduce or use up a resource, DRAIN means to remove liquid from something, UNPACK means to take items out of a container, and DUMP means to discard something. All of these words describe the action of emptying out something, whether it be a container, a resource, or liquid.