Lay down and Pileup

Lay down verb - To put into effect through legislative or authoritative action.

Pileup and lay down are semantically related. In some cases you can replace term "Pileup" with "Lay down", this verbs are similar.

Pileup noun - A mass or quantity that has piled up or that has been gathered over a period of time.

Lay down and pileup are semantically related. Sometimes you can use "Lay down" instead a verb "Pileup".