Question: Here is one sentence: Mastering a second language requires a lot of work.
Here is another sentence: He arrived at work early today.
Does the work mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: The military academy at West Point.
Here is another sentence: The French Academy.
Does the academy mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: We stayed in Hawaii for a week.
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: Did you two break the trolley by racing with it?
Here is another sentence: On the hottest day of the year the refrigerator broke.
Does the break mean the same thing in the two sentences?

Answer:
the same meaning