hypercoaster vs big dipper

hypercoaster and big dipper both are nouns.

Word	Noun	Adjective	Verb	Adverb
hypercoaster	Yes	No	No	No
big dipper	Yes	No	No	No

As nouns, big dipper is a hypernym of hypercoaster; that is, big dipper is a word with a broader meaning than hypercoaster:

hypercoaster: a roller coaster that goes up 200 feet or higher and can catapult riders from 0 to 70 mph in 4 seconds by motors originally designed to launch rockets
big dipper: elevated railway in an amusement park (usually with sharp curves and steep inclines)

Other hypernyms of hypercoaster include chute-the-chute, roller coaster.

hypercoaster (noun)	big dipper (noun)
a roller coaster that goes up 200 feet or higher and can catapult riders from 0 to 70 mph in 4 seconds by motors originally designed to launch rockets	elevated railway in an amusement park (usually with sharp curves and steep inclines)