retirement benefit vs superannuation

retirement benefit and superannuation both are nouns.

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

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

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

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

retirement benefit (noun)	superannuation (noun)
a monthly payment made to someone who is retired from work	the act of discharging someone because of age (especially to cause someone to retire from service on a pension)
	the property of being out of date and not current
	a monthly payment made to someone who is retired from work