saleroom vs motorcar

saleroom and motorcar both are nouns.

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

saleroom (noun)	motorcar (noun)
an area where merchandise (such as cars) can be displayed	a motor vehicle with four wheels; usually propelled by an internal combustion engine