superannuation vs retirement fund

superannuation and retirement fund both are nouns.

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

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

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

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

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the property of being out of date and not current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