The foot of the mountain.
The foot of the list.
Word: "foot"
the same meaning

The key to development is economic integration.
They were carrying two keys of heroin.
Word: "key"
different meanings

An important piece of the evidence.
He wrote an interesting piece on Iran.
Word: "piece"
different meanings

A member of the faculty.
Only members will be admitted.
Word: "member"
the same meaning