Question: Here is one sentence: The reason a steady state was never reached was that the back pressure built up too slowly.
Here is another sentence: Mankind should develop reason above all other virtues.
Does the reason mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: A life of luxury and ease.
Here is another sentence: He passed all the exams with ease.
Does the ease mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: They had a nice stay in Paris.
Here is another sentence: A lengthy hospital stay.
Does the stay mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: Pottery of this cast was found throughout the region.
Here is another sentence: The delicate cast of his features.
Does the cast mean the same thing in the two sentences?

Answer:
different meanings