Problem: Sentence1: They buried him in his best suit.
Sentence2: Be sure to keep your nose to the grindstone today; the suits are making a "surprise" visit to this department.
Q: Does the term suit mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: A military buildup in preparation for the invasion.
Sentence2: The buildup of leaves blocked the drain pipes.
Q: Does the term buildup mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: The connection between overeating and obesity.
Sentence2: There was a connection between eating that pickle and having that nightmare.
Q: Does the term connection mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: The hunters found deer sign at the end of the trail.
Sentence2: Those clouds show signs of raining soon.
Q: Does the term sign mean the same thing in both these sentences?

Answer:
the same meaning