The term 'prefix with magnetic' refers to a group of words that all have the prefix 'magneto-'. The first word is 'aero', which is short for aeromagnetic, meaning relating to the magnetic field of the Earth's atmosphere. The second word is 'electro', which is short for electromagnetism, the study of the interaction between electric and magnetic fields. The third word is 'thermo', which is short for thermomagnetic, meaning relating to the magnetic properties of heat. The fourth word is 'geo', which is short for geomagnetic, meaning relating to the Earth's magnetic field. The fifth word is 'ferro', which is short for ferromagnetic, meaning relating to materials that are strongly attracted to magnets. The last word is 'iso', which is short for isomagnetic, meaning having the same magnetic properties.