railroad vs railway

railroad and railway both are nouns.

Word	Noun	Adjective	Verb	Adverb
railroad	Yes	No	Yes	No
railway	Yes	No	No	No

As nouns, railroad and railway are synonyms defined as:

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

Other synonyms of railroad include railroad line, railway line, railway system.

As nouns, railroad and railway are synonyms defined as:

Other synonyms of railroad include railroad track.

railroad (noun)	railway (noun)
line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight	line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight
a line of track providing a runway for wheels	a line of track providing a runway for wheels

railroad (verb)	railway (verb)
transport by railroad
supply with railroad lines
compel by coercion, threats, or crude means