Pile up and Stow away

Pile up verb - Arrange into piles or stacks.

Stow away and pile up are semantically related in hoard topic. In some cases you can use "Stow away" instead a verb "Pile up", when it comes to topics like put away, economize.

Stow away verb - Hide aboard a ship or a plane to get free transportation.

Pile up and stow away are semantically related in hoard topic. Sometimes you can use "Pile up" instead a verb "Stow away", if it concerns topics such as put away, economize.