Question: Sentence 1: The story is false, so far as I can discover.
Sentence 2: I discovered how to do it.
Does discover mean the same thing in these two sentences?
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Answer: the same meaning

Question: Sentence 1: The key to winning a game.
Sentence 2: They were carrying two keys of heroin.
Does key mean the same thing in these two sentences?
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Answer: different meanings

Question: Sentence 1: Drop a lawsuit.
Sentence 2: They dropped her after she had a child out of wedlock.
Does drop mean the same thing in these two sentences?
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Answer:
different meanings