Q: Sentence (1) They admired his performance under stress.
Sentence (2) When Roger Maris powered four home runs in one game his performance merits awe.. Word: performance.
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A: the same meaning

Q: Sentence (1) Her favorite subject is physics.
Sentence (2) A moving picture of a train is more dramatic than a still picture of the same subject.. Word: subject.
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A: different meanings

Q: Sentence (1) To admit a serious thought into the mind.
Sentence (2) She admitted us here.. Word: admit.
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A:
the same meaning