retirement benefit vs retirement fund

retirement benefit and retirement fund both are nouns.

Word	Noun	Adjective	Verb	Adverb
retirement benefit	Yes	No	No	No
retirement fund	Yes	No	No	No

As nouns, retirement benefit and retirement fund are synonyms defined as:

retirement benefit and retirement fund: a monthly payment made to someone who is retired from work

Other synonyms of retirement benefit include old-age pension, retirement check, retirement pension, superannuation.

retirement benefit (noun)	retirement fund (noun)
a monthly payment made to someone who is retired from work	a monthly payment made to someone who is retired from work