hybrid car vs motorcar

hybrid car and motorcar both are nouns.

Word	Noun	Adjective	Verb	Adverb
hybrid car	Yes	No	No	No
motorcar	Yes	No	No	No

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

hybrid car: a car which runs on two power sources, usually an internal combustion engine and an electronic motor
motorcar: a motor vehicle with four wheels; usually propelled by an internal combustion engine

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

hybrid car (noun)	motorcar (noun)
a car which runs on two power sources, usually an internal combustion engine and an electronic motor	a motor vehicle with four wheels; usually propelled by an internal combustion engine