general delivery vs poste restante

general delivery and poste restante both are nouns.

Word	Noun	Adjective	Verb	Adverb
general delivery	Yes	No	No	No
poste restante	Yes	No	No	No

As nouns, general delivery and poste restante are synonyms defined as:

general delivery and poste restante: the part of a post office that handles mail for persons who call for it

general delivery (noun)	poste restante (noun)
the part of a post office that handles mail for persons who call for it	a notation written on mail that is to be held at the post office until called for (not in the United States or Canada)
	the part of a post office that handles mail for persons who call for it