an ambulance

one who receives a prize / winner

prophet

a dress shirt / a long-sleeved button-down shirt

to disembark a train or other vehicle; to exit a vehicle

both sides, both parties

shortage of stock / scarcity of goods

shower (a device for bathing) / shower (an instance of using this device) / (physics) shower (a cascade of secondary particles produced when high-energy particles enter dense matter)

a road, a roadway, a carriageway / (more specifically, legal) a traffic lane: that portion of a road that is marked for use by automobiles (and not for bicycles or pedestrians)

conductor (one who conducts a musical performance)