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

Stuff a pillow with feathers.

My nose is all stuffed.

A: different meanings

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

The cinema relies on apparent motion.

He made a motion to adjourn.

A: different meanings

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

Polish my shoes.

He polished up the chrome until it gleamed.

A:
the same meaning