Dodgem vs bumper car

Dodgem and bumper car both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dodgem	Yes	No	No	No
bumper car	Yes	No	No	No

As nouns, Dodgem and bumper car are synonyms defined as:

Dodgem and bumper car: a small low-powered electrically powered vehicle driven on a special platform where there are many others to be dodged

Dodgem (noun)	bumper car (noun)
a small low-powered electrically powered vehicle driven on a special platform where there are many others to be dodged	a small low-powered electrically powered vehicle driven on a special platform where there are many others to be dodged