Question: Sentence 1: Cover the grave with flowers.
Sentence 2: The insurance won't cover this.
Does cover mean the same thing in these two sentences?
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Answer: different meanings

Question: Sentence 1: Will $100 do?
Sentence 2: We did 6 miles on our hike every day.
Does do mean the same thing in these two sentences?
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Answer: different meanings

Question: Sentence 1: Traffic on the internet is lightest during the night.
Sentence 2: Heavy traffic overloaded the trunk lines.
Does traffic mean the same thing in these two sentences?
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Answer:
the same meaning