Question: Sentence 1: I have known him all his life.
Sentence 2: She's my love, my life.
Does life mean the same thing in these two sentences?
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Answer: different meanings

Question: Sentence 1: Treat an oil spill.
Sentence 2: Treat the lawn with chemicals.
Does treat mean the same thing in these two sentences?
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Answer: the same meaning

Question: Sentence 1: A drop of each sample was analyzed.
Sentence 2: Put three drops of oil into the mixture.
Does drop mean the same thing in these two sentences?
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Answer:
the same meaning