三味: a samisen: a Japanese stringed instrument played by plucking, vaguely similar to a banjo

板紙: paperboard, cardboard

見ます: masu-form of 見る (miru, “to see, to look at, to watch”)

意味論: semantics

民話: folktale, fairy tale

蛇: snake / 椐:

宮下: a surname

実生, 美羽, 視雨: a female given name

水菜: mizuna

海砂, 水魚, 水菜, 水奈, 瑞菜, 瑞奈, 瑞那, 瑞凪: a female given name / 瑞名, 瑞鳴, 瑞和, 泉菜, 泉奈, 美子成: a female given name / 水納, 水名: a surname