carfuls
What fits inside
Carfuls is the plural of carful, meaning the amount that fills a car—usually passengers: Three carfuls of teenagers showed up at the party.
The alternative spelling carloads is more common and sounds less awkward.
passengers
Transported travelers
travelers · commuters · packed · crammed · seating · volume · space · maximum · limit · occupancy
luggage
Traveler's packed containers
packages · supplies · belongings · gear · equipment · suitcases · shopping · provisions · parcels · bundles
vehicle capacity scale
carfulstruckloads
Very large quantities
busloads · trainloads · planeloads · shiploads · boatloads
quantity magnitude
carfulshandfuls
Quantities a palm holds
individual · spoonfuls · single · dribs and drabs · one or two