1) Weakness and Feeblemind
2) Slow and Blur
3) Plague, Disintegrate, and Unholy Word
4) Magic Fist and Raise Dead
5) Summon Demon and Summon Archdevil
6) Fire Trap and Earthquake
7) Dodge and Stone Skin (there's no choice here; they definitely belong to different schools)
8) Divine Power and Dispel