Question: Here is one sentence: There's good stuff in that book.
Here is another sentence: The stuff of heros.
Does the stuff mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: Ditch a plane.
Here is another sentence: Ditch a lover.
Does the ditch mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: Political fatigue.
Here is another sentence: After watching TV with her husband she had a bad case of football fatigue.
Does the fatigue mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: Printing at higher resolution will cause a reduction in performance.
Here is another sentence: The resolution of an equation.
Does the resolution mean the same thing in the two sentences?

Answer:
different meanings