bank note vs government note

bank note and government note both are nouns.

Word	Noun	Adjective	Verb	Adverb
bank note	Yes	No	No	No
government note	Yes	No	No	No

As nouns, bank note and government note are synonyms defined as:

bank note and government note: a piece of paper money (especially one issued by a central bank)

Other synonyms of bank note include bank bill, banker's bill, banknote, bill, Federal Reserve note, greenback, note.

bank note (noun)	government note (noun)
a piece of paper money (especially one issued by a central bank)	a piece of paper money (especially one issued by a central bank)