Answer:
1. Sublime is used to describe something that is very profound or excellent. (I have absolutely no idea on how to acknowledge the prefix if the prefix sub completely undermines the definition of sublime) Sublime in a sentence: "Greek revival architecture is sublime."
2. A subordinate is someone usually below another person. A lower level employee compared to their boss would be a good example. The prefix sub meaning under or below explains the meaning of this word because subordinate means something or someone below something or someone. Subordinate in a sentence: "Mark felt like a powerful boss with many subordinates."