retirement savings account vs pension plan

retirement savings account and pension plan both are nouns.

Word	Noun	Adjective	Verb	Adverb
retirement savings account	Yes	No	No	No
pension plan	Yes	No	No	No

As nouns, retirement savings account and pension plan are synonyms defined as:

retirement savings account and pension plan: a plan for setting aside money to be spent after retirement

Other synonyms of retirement savings account include pension account, retirement account, retirement plan, retirement program, retirement savings plan.

retirement savings account (noun)	pension plan (noun)
a plan for setting aside money to be spent after retirement	a plan for setting aside money to be spent after retirement