salesroom vs showroom

salesroom and showroom both are nouns.

Word	Noun	Adjective	Verb	Adverb
salesroom	Yes	No	No	No
showroom	Yes	No	No	No

As nouns, salesroom and showroom are synonyms defined as:

salesroom and showroom: an area where merchandise (such as cars) can be displayed

Other synonyms of salesroom include saleroom.

salesroom (noun)	showroom (noun)
an area where merchandise (such as cars) can be displayed	an area where merchandise (such as cars) can be displayed