Question: Sentence 1: I'm going to give my wife a necklace for her birthday.
Sentence 2: He gives of his energies to the organization.
Does give mean the same thing in these two sentences?
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Answer: the same meaning

Question: Sentence 1: The insurance will replace the lost income.
Sentence 2: This antique vase can never be replaced.
Does replace mean the same thing in these two sentences?
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Answer: the same meaning

Question: Sentence 1: Change per unit volume.
Sentence 2: The dollar is the United States unit of currency.
Does unit mean the same thing in these two sentences?
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Answer:
the same meaning