Stanley Steamer vs motorcar

Stanley Steamer and motorcar both are nouns.

Word	Noun	Adjective	Verb	Adverb
Stanley Steamer	Yes	No	No	No
motorcar	Yes	No	No	No

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

Stanley Steamer: a steam-powered automobile
motorcar: a motor vehicle with four wheels; usually propelled by an internal combustion engine

Other hypernyms of Stanley Steamer include auto, automobile, car, machine.

Stanley Steamer (noun)	motorcar (noun)
a steam-powered automobile	a motor vehicle with four wheels; usually propelled by an internal combustion engine