Amass and Heap up

Amass verb - To bring together in one body or place.

Heap up is a synonym for amass in accumulate topic. In some cases you can use "Heap up" instead a verb "Amass", when it comes to topics like collect.

Nearby Word: amassing

Heap up verb - Arrange into piles or stacks.

Amass is a synonym for heap up in assemble topic. You can use "Amass" instead a verb "Heap up", if it concerns topics such as gather, accumulate.