minicar vs auto

minicar and auto both are nouns.

Word	Noun	Adjective	Verb	Adverb
minicar	Yes	No	No	No
auto	Yes	No	No	No

As nouns, auto is a hypernym of minicar; that is, auto is a word with a broader meaning than minicar:

minicar: a car that is even smaller than a subcompact car
auto: a motor vehicle with four wheels; usually propelled by an internal combustion engine

Other hypernyms of minicar include automobile, car, machine, motorcar.

minicar (noun)	auto (noun)
a car that is even smaller than a subcompact car	a motor vehicle with four wheels; usually propelled by an internal combustion engine