Question: "head" used in the same way in the following two sentences?

A head of lettuce.

I've got to go to the head.
Answer: different meanings
Question: "wash" used in the same way in the following two sentences?

My jacket needs a wash.

At the end of the year the accounting department showed that it was a wash.
Answer: different meanings
Question: "charger" used in the same way in the following two sentences?

Put the batteries in the charger overnight so we can use them tomorrow.

The knight rode a white charger.
Answer: different meanings
Question: "floor" used in the same way in the following two sentences?

Many sunken ships rest on the ocean floor.

The floor of the pelvis.
Answer:
the same meaning