沼沢 ぬまさわ place name family or surname Also 沼沢: しょうたく marsh ぬまざわ Numazawa 沼沢ぬまさわ place name family or surname English JMnedict 1 Numasawa 漢字 kanji used 沼 marsh, lake 8画 · JLPT N 1 沢 swamp, marsh 7画 · JLPT N 1