salesroom vs saleroom

salesroom and saleroom both are nouns.

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

As nouns, salesroom and saleroom are synonyms defined as:

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

Other synonyms of salesroom include showroom.

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