hatchback vs auto

hatchback and auto both are nouns.

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

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

hatchback: a car having a hatchback door
auto: a motor vehicle with four wheels; usually propelled by an internal combustion engine

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

hatchback (noun)	auto (noun)
a sloping rear car door that is lifted to open	a motor vehicle with four wheels; usually propelled by an internal combustion engine
a car having a hatchback door