Question: Sentence 1: He needed silence in order to sleep.
Sentence 2: He gestured for silence.
Does silence mean the same thing in these two sentences?
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Answer: different meanings

Question: Sentence 1: What does Bob do? -- He's a plumber.
Sentence 2: This car does 150 miles per hour.
Does do mean the same thing in these two sentences?
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Answer: different meanings

Question: Sentence 1: To admit evidence in the trial of a cause.
Sentence 2: She admitted us.
Does admit mean the same thing in these two sentences?
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Answer:
the same meaning