1. rot, decay, erosion

noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru transitive verb intransitive verb

2. corrosion, etching, rust

noun (common) (futsuumeishi) transitive verb noun or participle which takes the aux. verb suru intransitive verb

3. saprophagy

noun (common) (futsuumeishi) biology