overhead railway vs el

overhead railway and el both are nouns.

Word	Noun	Adjective	Verb	Adverb
overhead railway	Yes	No	No	No
el	Yes	No	No	No

As nouns, overhead railway and el are synonyms defined as:

overhead railway and el: a railway that is powered by electricity and that runs on a track that is raised above the street level

Other synonyms of overhead railway include elevated, elevated railroad, elevated railway.

overhead railway (noun)	el (noun)
a railway that is powered by electricity and that runs on a track that is raised above the street level	a railway that is powered by electricity and that runs on a track that is raised above the street level