All of these comparatives end in IOR and not in ER and all are followed by TO instead of THAN.
1. His strength is superior to (greater than) mine.
2. His strength is inferior to (less than) mine.
3. This event was anterior to (earlier than) that.
4. This event was prior to (earlier than) that.
5. This event was posterior to (later than) that.
6. This man is senior to (older than) that.
7. This man is junior to (younger than) that.