Q: Sentence (1) The armies met in the shock of battle.
Sentence (2) The train hit the buffers with a great shock.. Word: shock.
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A: different meanings

Q: Sentence (1) I was invited to the masquerade at their home.
Sentence (2) That masquerade of misrepresentation which invariably accompanied the political eloquence of Rome -- Thomas de Quincey.. Word: masquerade.
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A: the same meaning

Q: Sentence (1) Block a muscle.
Sentence (2) Block a nerve.. Word: block.
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A:
the same meaning