c-note vs government note

c-note and government note both are nouns.

Word	Noun	Adjective	Verb	Adverb
c-note	Yes	No	No	No
government note	Yes	No	No	No

As nouns, government note is a hypernym of c-note; that is, government note is a word with a broader meaning than c-note:

c-note: a United States bill worth 100 dollars
government note: a piece of paper money (especially one issued by a central bank)

Other hypernyms of c-note include bank bill, bank note, banker's bill, banknote, bill, Federal Reserve note, greenback, note.

c-note (noun)	government note (noun)
a United States bill worth 100 dollars	a piece of paper money (especially one issued by a central bank)