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

He stared as she buttoned her top.

Put your books on top of the desk.

A: different meanings

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

Break down a proof.

Break an alibi.

A: the same meaning

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

This dough does not work easily.

My wife never worked.

A:
different meanings