Q: Sentence (1) Suddenly, in the crowd, I felt a touch at my shoulder.
Sentence (2) This dish could use a touch of garlic.. Word: touch.
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A: different meanings

Q: Sentence (1) My neighbour has an annoying cat.
Sentence (2) My neighbour is very irritable and grumpy at times.. Word: neighbour.
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A: the same meaning

Q: Sentence (1) The surprise attack was devastating.
Sentence (2) Imagine my surprise on learning I owed twice as much as I thought I did.. Word: surprise.
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A:
different meanings