The term 'large quantities' can be used to describe a variety of different amounts, from HEAPS (5 letters) and OCEANS (6 letters) to seas (4 letters), TONS (4 letters), WADS (4 letters), ACRES (5 letters), herds (5 letters), loads (5 letters), PILES (5 letters), RAFTS (5 letters), slews (5 letters), fistfuls (8 letters), and BOATLOADS (9 letters). Each of these terms is used to describe a large amount of something, whether it be a physical object or a figurative concept.