WordNet: railroad, railroad line, railway, railway line, railway system

line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight

• hypernym line

• hyponym cable railway, funicular, funicular railway

• hyponym cog railway, rack railway

• hyponym el, elevated, elevated railroad, elevated railway, overhead railway

• hyponym metro, subway, subway system, tube, underground

• hyponym monorail

• hyponym rail

• hyponym scenic railway

railroad

• (englanti) railroad (derivationally related)

• (englanti) railroad (derivationally related)
• (suomi) rautatie (synonyymi)

railroad line

• (suomi) rautatielinja (synonyymi)

railway

• (suomi) rata (synonyymi)

• (suomi) junarata (synonyymi)

railway line

• (suomi) rautatielinja (synonyymi)

railway system

• (suomi) rautatieverkko (synonyymi)