Q: Sentence (1) The roll of a ball.
Sentence (2) Calculate the roll of that aircraft.. Word: roll.
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A: different meanings

Q: Sentence (1) The train backed into the station.
Sentence (2) The wind backed.. Word: back.
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A: the same meaning

Q: Sentence (1) Leave lots of time for the trip.
Sentence (2) At what time does your train leave?. Word: leave.
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A:
different meanings