ソウ

層, 尸, 曽, 田, 日

stratum, social class, layer, story, floor

一層(いっそう): (1) much more; still more; all the more; more than ever (2) single layer (or storey, etc.) (3) rather; sooner; preferably
高層(こうそう): multistory; multistoried; high-rise; high; tall
階層(かいそう): class; level; stratum; layer; hierarchy
大層(たいそう): very much; exaggerated; very fine