Question: Sentence 1: I could see the roof of the bear's mouth.
Sentence 2: The roof of the cave was very high.
Does roof mean the same thing in these two sentences?
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Answer: the same meaning

Question: Sentence 1: The ship will call in Honolulu tomorrow.
Sentence 2: A transmitter in Samoa was heard calling.
Does call mean the same thing in these two sentences?
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Answer: different meanings

Question: Sentence 1: Run a temperature.
Sentence 2: Let the dogs run free.
Does run mean the same thing in these two sentences?
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Answer:
different meanings