N3 - 列車れっしゃ
train (ordinary)
N2 - 行列ぎょうれつ
(1) line, procession, (2) matrix (math)
N2 - 列島れっとう
chain of islands
N1 - 整列せいれつ
stand in a row, form a line
N1 - 陳列ちんれつ
exhibition, display, show
N1 - 配列はいれつ
arrangement, array (programming)
N1 - 並列へいれつ
arrangement, parallel, abreast