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

The story is false, so far as I can discover.

I discovered how to do it.

A: the same meaning

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

Do nothing.

Will $100 do?

A: different meanings

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

A good lead for a job.

They didn't follow our lead.

A:
different meanings