hatchback vs motorcar

hatchback and motorcar both are nouns.

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

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

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

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

hatchback (noun)	motorcar (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