1) A heap 2) Aload 3) Dozens 4) Gobs 5) Heaps 6) Lashings 7) Loads 8) Lots 9) Many 10) Masses 11) Oceans 12) Oodles 13) Plenty 14) Rafts 15) Reams 16) Scads 17) Scores 18) Slews 19) Stacks 20) Wads 1) An awful lot 2) Atom parts 3) Avoirdupois units 4) Barge load 5) Big weights 6) Boxcar capacity units 7) Bunches 8) Cargo calculations 9) Cargo measures 10) Cargo units 11) Cargo weight units 12) Cargo weights 13) Carload lots 14) Certain cargo measures 15) Coal measures 16) Coal quantities 17) Coal weights 
[n] - a large number or amount
dozens noun a large number or amount; `made lots of new friends`; `she amassed a mountain of newspapers`