He stuck his head out the window.
Be careful when you pet that dog on the head; it may bite.
Word: "head"
the same meaning

Where do you keep your gardening tools?
These potatoes keep for a long time.
Word: "keep"
different meanings

The Holocaust was insanity on an enormous scale.
The scale of the map.
Word: "scale"
the same meaning

A bit of lint.
The horse was not accustomed to a bit.
Word: "bit"
different meanings