supplementary benefit vs social assistance

supplementary benefit and social assistance both are nouns.

Word	Noun	Adjective	Verb	Adverb
supplementary benefit	Yes	No	No	No
social assistance	Yes	No	No	No

As nouns, supplementary benefit and social assistance are synonyms defined as:

supplementary benefit and social assistance: benefits paid to bring incomes up to minimum levels established by law

Other synonyms of supplementary benefit include national assistance.

supplementary benefit (noun)	social assistance (noun)
benefits paid to bring incomes up to minimum levels established by law	benefits paid to bring incomes up to minimum levels established by law