Usage: 5 forms in 10 verses
Form Translated As     In Verse(s)
σωρών heaps LXX.2Chr.31.9LXX.Job.21.32
σωρόσ a heap LXX.Josh.3.13
σωρόν a heap LXX.Josh.7.26LXX.2Sam.18.17
heap LXX.Josh.8.29
σωρούσ heaps LXX.2Chr.31.6LXX.2Chr.31.6LXX.2Chr.31.8
σωροί heaps LXX.2Chr.31.7

Liddell-Scott-Jones

σωρός (sōros) a heap TEGMC

σωρός, ,

heap, especially heap of corn, [Refs 8th c.BC+]; of other things, σ. ψήγματος [Refs 5th c.BC+]; ξύλων, λίθων, νεκρῶν, [Refs 5th c.BC+]; λίθινος σ. [Refs]: absolutely, heap or mound of earth, [Refs 5th c.BC+]

__2 generally, heap, quantity, χρημάτων, κακῶν, ἀγαθῶν, [Refs 5th c.BC+]: opposed to a definite number or quantity, [Refs 4th c.BC+], of contentment. [Refs]
__3 as adjective, πυροῦ σωροῦ, of a quality of corn, [Refs 2nd c.AD+]