public toilet vs comfort station

public toilet and comfort station both are nouns.

Word	Noun	Adjective	Verb	Adverb
public toilet	Yes	No	No	No
comfort station	Yes	No	No	No

As nouns, public toilet and comfort station are synonyms defined as:

public toilet and comfort station: a toilet that is available to the public

Other synonyms of public toilet include convenience, public convenience, public lavatory, restroom, toilet facility, wash room.

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