| Subject | English | Spanish |
| el. | anti-rusting composition | compuesto antioxidante |
| met. | de-rusting | eliminación de la herrumbre |
| met. | degree of rusting | grado de oxidación |
| met., mech.eng. | nailhead rusting | manchas de herrumbre de clavos |
| met., mech.eng. | nailhead rusting | manchas de clavos |
| nat.sc., agric. | rust red flour beetle | tribolio (Tribolium castaneum, Tribolium ferrugineum, Tribolium navale) |
| auto. | rusted part | parte oxidada |