minivan vs motorcar

minivan and motorcar both are nouns.

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

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

minivan: a small box-shaped passenger van; usually has removable seats; used as a family car
motorcar: a motor vehicle with four wheels; usually propelled by an internal combustion engine

Other hypernyms of minivan include auto, automobile, car, machine, passenger van.

minivan (noun)	motorcar (noun)
a small box-shaped passenger van; usually has removable seats; used as a family car	a motor vehicle with four wheels; usually propelled by an internal combustion engine