railroad vs American English

railroad and American English both are nouns.

Word	Noun	Adjective	Verb	Adverb
railroad	Yes	No	Yes	No
American English	Yes	No	No	No

railroad (noun)	American English (noun)
line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight	the English language as used in the United States
a line of track providing a runway for wheels

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