不燃ふねん Noun Noun English jmdict 1 noun (common) (futsuumeishi)nouns which may take the genitive case particle 'no' incombustibility
不燃物ふねんぶつ Common Noun English jmdict 1 noun (common) (futsuumeishi) non-inflammables;incombustible (usu. waste) 今日は不燃物のゴミの日です。 Today is a non-burnable rubbish day.