同学: a schoolmate; a classmate / 同額: the same amount (of money) or price

chaff (inedible parts of grain plant)

泥岩: mudstone

覆蓋: (rare) the act of covering; a covering, something that covers

覆蓋: (rare) to cover something, to cover something up

捨て仮名, 捨仮名: small okurigana used with kanbun; small kana used for diphthongs

アクション映画: action movie (a type of motion picture)

眺める: to look at, to view, to gaze

苦塩: bittern: the liquor remaining after halite (common salt) has been harvested from saline water (brine), used as a coagulating agent in the manufacture of tofu

黒鴨: common scoter