Step 1: Understand the meaning of the words. Empire: A large group of states or countries ruled over by a single authority. Umpire: A person who enforces the rules in a game or sport.
Step 2: Use them in sentences.
Sentence with Empire: ``The Roman Empire was one of the greatest civilizations in history.''
Sentence with Umpire: ``The umpire raised his finger to declare the batsman out.'' Step 3: Conclusion.
The sentences clearly show that Empire refers to a vast political territory, while Umpire refers to a sports official. Final Answer:
\[
\boxed{\text{Empire = Political Territory, \quad Umpire = Sports Official}}
\]