hatfuls
Large informal quantities
Hatfuls is the plural of hatful, meaning the amount a hat can hold, or more loosely, a large quantity: She received hatfuls of fan mail.
The word appears almost exclusively in figurative contexts suggesting abundance rather than literal hat-measured portions.
plenty
Sufficient quantity, and then some
bunches · scads · oodles · gobs · tons · masses · stacks · slew · rafts · wads
volume
Amount of space filled
room · size · extent · proportion · fill · brimful · overflow · measure · contents · holding