Problem: Sentence1: The reason that war was declared.
Sentence2: There is reason to believe he is lying.
Q: Does the term reason mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: Puncture a tire.
Sentence2: The tire punctured.
Q: Does the term puncture mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: I will work hard to improve my grades.
Sentence2: He's working in a bar.
Q: Does the term work mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: There but for the grace of God go I.
Sentence2: I'm so grateful to God for the grace that He has given me.
Q: Does the term grace mean the same thing in both these sentences?

Answer:
the same meaning