public convenience vs comfort station

public convenience and comfort station both are nouns.

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

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

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

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

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