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

The wee small voice of conscience.

He said his voices told him to do it.

A: the same meaning

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

To crack a whip.

The performance was fine until he cracked that dead baby joke.

A: different meanings

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

Your assumption that I would agree was unwarranted.

On the assumption that he has been injured we can infer that he will not to play.

A:
different meanings