lay+in+a+heap
131mass — Synonyms and related words: G, G suit, Negro spiritual, a mass of, a world of, abundance, accouple, accumulate, accumulation, acervation, acres, adhere, agglomerate, agglomeration, agglutinate, aggregate, aggregation, aggroup, amass, amassment,… …
132pile up — Synonyms and related words: accumulate, amass, backlog, bank, bank up, beach, cast away, collect, cumulate, drift, garner, garner up, gather into barns, ground, heap, heap up, hide, hill, hoard, hoard up, hold, keep, lay up, mound, pile, put up,… …