ten dollar bill vs tenner

ten dollar bill and tenner both are nouns.

Word	Noun	Adjective	Verb	Adverb
ten dollar bill	Yes	No	No	No
tenner	Yes	No	No	No

As nouns, ten dollar bill and tenner are synonyms defined as:

ten dollar bill (noun)	tenner (noun)
a United States bill worth 10 dollars	a United States bill worth 10 dollars
	the cardinal number that is the sum of nine and one; the base of the decimal system