Cases of word usage

1) a place where food and drink may be bought and eaten, e.g. in a train station (buffet)

2) a car or coach for passengers on a railway train (carriage)

3) to cause (a train etc) to run off the rails (derail)

4) (an instrument used for measuring) the thickness of wire, sheets of metal, rubber on a tyre etc; the distance between rails for a train (or between opposite wheels of a train) (gauge)

5) a flat area built at a higher level than the railway line in a train station (platform)

6) to send (a train etc) from one track to another; to send (a person etc) to a different (usually worse) position (shunt)

7) a person who sleeps; (a bed in) a sleeping-car on a train (sleeper)

8) to study or train (in a particular area) in order to become an expert (specialize)

9) a carriage for sleeping in a train (as on European railways) (wagon-lit)

10) a room for people to wait, e.g. a doctor, to catch a train etc (waiting room)