tenner vs government note

tenner and government note both are nouns.

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

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

tenner: a United States bill worth 10 dollars
government note: a piece of paper money (especially one issued by a central bank)

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

tenner (noun)	government note (noun)
a United States bill worth 10 dollars	a piece of paper money (especially one issued by a central bank)
the cardinal number that is the sum of nine and one; the base of the decimal system