Ischemia rhymes with:
vremya, academia, anemia, arrhythmia, bermea, bohemia, bulemia, bulimia, calamia, euphemia, femia, flammia, geremia, hermia, hypoglycemia, hypothermia, islamiya, jeremia, lamia, leukemia, lumia, macadamia, mesopotamia, uremia, vremya
Ischemia sounds like:
iacona, iacono, iason, icahn, ice-nine, iceman, icon, igene, igman, ignominy, igon, iguana, ikon, isaacson, isackson, isaksen, isakson, iseman, isham, ishikawajima, ishman, ism, isom, ison, isoxicam, issam, ixion, izumi