For your sake.
Died for the sake of his country.
Word: "sake"
the same meaning

Insure the safety of the children.
If you push it to the limit, safety is not guaranteed.
Word: "safety"
the same meaning

They sat down to talk business.
We talk French sometimes.
Word: "talk"
the same meaning

To blow a horse.
The whales blew.
Word: "blow"
different meanings