government note vs bank bill

government note and bank bill both are nouns.

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

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

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

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

government note (noun)	bank bill (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)