Raw Material
Material, Ingredient
noun
そざい
材料 (ざいりょう) Ingredients, Material
木材 (もくざい、raw wood material) Wood, Lumber
素材 (そざい) Raw Material, Material, Ingredient
鋼材 (こうざい) Steel Material
素手 (すで、not on WK) Bare Hand, Empty Hand
素 can also mean Raw or Bare.
Elemental 素 material 材 is Raw Material 素材