Synonyms of HEAP

What is another word for HEAP
1.

Synonyms of HEAP

noun - a collection of objects laid on top of each other

noun - (often followed by `of') a large number or amount or extent

LOT 
POT 
WAD 

noun - a car that is old and unreliable

BUS 

verb - arrange in stacks

2.

Synonyms of HEAP