comfort station vs wash room

comfort station and wash room both are nouns.

Word	Noun	Adjective	Verb	Adverb
comfort station	Yes	No	No	No
wash room	Yes	No	No	No

As nouns, comfort station and wash room are synonyms defined as:

Other synonyms of comfort station include convenience, public convenience, public lavatory, public toilet, restroom, toilet facility.

comfort station (noun)	wash room (noun)
a toilet that is available to the public	a toilet that is available to the public