Question: Here is one sentence: In warfare, whoever opens fire first has a greater chance of victory.
Here is another sentence: Surrender fires the cold skepticism.
Does the fire mean the same thing in the two sentences?

Answer: different meanings


Question: Here is one sentence: I can only stay for an hour.
Here is another sentence: The smell stayed in the room.
Does the stay mean the same thing in the two sentences?

Answer: different meanings


Question: Here is one sentence: We need to replace the secretary that left a month ago.
Here is another sentence: He replaced the old razor blade.
Does the replace mean the same thing in the two sentences?

Answer: the same meaning


Question: Here is one sentence: The doctor recommended regular exercise.
Here is another sentence: The teacher told us the next exercise is to write an essay.
Does the exercise mean the same thing in the two sentences?

Answer:
the same meaning