maglev vs railroading

maglev and railroading both are nouns.

Word	Noun	Adjective	Verb	Adverb
maglev	Yes	No	No	No
railroading	Yes	No	No	No

As nouns, railroading is a hypernym of maglev; that is, railroading is a word with a broader meaning than maglev:

maglev: high-speed rail technology; train is suspended on a magnetic cushion above a magnetized track and so travels free of friction
railroading: the activity of designing and constructing and operating railroads

Other hypernyms of maglev include rail technology.

maglev (noun)	railroading (noun)
high-speed rail technology; train is suspended on a magnetic cushion above a magnetized track and so travels free of friction	the activity of designing and constructing and operating railroads