The term 'great amounts' can be represented by the crossword solutions SEAS (4 letters), PILES (5 letters), and TONS (4 letters). SEAS is a term used to describe a large body of water, such as an ocean. PILES is a term used to describe a large quantity of something, usually in a disorganized manner. TONS is a unit of measurement used to describe a large amount of something, usually equal to 2, 000 pounds. All three terms can be used to describe great amounts of something.