chute-the-chute vs roller coaster

chute-the-chute and roller coaster both are nouns.

Word	Noun	Adjective	Verb	Adverb
chute-the-chute	Yes	No	No	No
roller coaster	Yes	No	No	No

As nouns, chute-the-chute and roller coaster are synonyms defined as:

chute-the-chute and roller coaster: elevated railway in an amusement park (usually with sharp curves and steep inclines)

Other synonyms of chute-the-chute include big dipper.

chute-the-chute (noun)	roller coaster (noun)
elevated railway in an amusement park (usually with sharp curves and steep inclines)	elevated railway in an amusement park (usually with sharp curves and steep inclines)
	anything characterized by abrupt and extreme changes (especially up and down)