The fire spared the forest floor.
The room has a wooden floor.
Word: "floor"
different meanings

His treatment of the race question is badly biased.
A treatment or cure is applied after a medical problem has already started.
Word: "treatment"
different meanings

Social life.
City life.
Word: "life"
the same meaning

I see that you have been promoted.
Did you know that she is seeing an older man?
Word: "see"
different meanings