Q: Does "water" have the same meaning in the following two sentences?

He showed me the river of living water, sparkling like crystal, flowing from the throne of God.

He asked for a drink of water.

A: different meanings

Q: Does "finish" have the same meaning in the following two sentences?

It was a fight to the finish.

Booze will be the finish of him.

A: the same meaning

Q: Does "reaction" have the same meaning in the following two sentences?

There was a chemical reaction of the lime with the ground water.

His reaction to the news was to start planning what to do.

A:
different meanings