V1 |
accumulate, pile up, gather, amass, cumulate, conglomerate | collect or gather | |
V2 |
collect, accumulate, compile, roll up, pile up, amass, hoard, pile, heap up | get or gather together | |
|
pileup | multiple collisions of vehicles | |
V1, V2 |
pile up, heap up, stack up | arrange into piles or stacks |