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

A reduction in the assessment per head of sheep.

200 head of cattle and 50 head of horses.
Answer: the same meaning
Question: "grip" used in the same way in the following two sentences?

They kept a firm grip on the two top priorities.

It was an old briefcase but it still had a good grip.
Answer: different meanings
Question: "wear" used in the same way in the following two sentences?

The tires showed uneven wear.

She bought it for everyday wear.
Answer: different meanings
Question: "operation" used in the same way in the following two sentences?

They paid taxes on every stage of the operation.

They had to consolidate their operations.
Answer:
the same meaning