The Rahm-Izad system was a planetary system.
A planet in this system, Rahm-Izad, was once used as a ruse to throw Gul Ocett off the trail of a four-billion-year-old genetic puzzle. This system was located within Sector 21459, Subsector 3383. (TNG: "The Chase")
According to the script, the pronunciation for Rahm-Izad was "ROM-a-zod".