| Subject | English | Spanish |
| met. | mar resistance | resistencia a la uña |
| pack. | mar-resistance | resistencia a la abrasión |
| astronaut., transp. | Mars Express Spacecraft | nave aerospacial Mars Express |
| gen. | MARS Project Monitoring Agriculture with Remote Sensing | Proyecto MARS |
| paint.varn. | Mars red | rojo Marte |
| chem. | Mars yellow | amarillo de Marte |