tenner vs X

tenner and X both are nouns.

Word	Noun	Adjective	Verb	Adverb
tenner	Yes	No	No	No
X	Yes	No	No	No

As nouns, tenner and X are synonyms defined as:

tenner and X: the cardinal number that is the sum of nine and one; the base of the decimal system

Other synonyms of tenner include 10, decade, ten.

tenner (noun)	X (noun)
a United States bill worth 10 dollars	street names for methylenedioxymethamphetamine
the cardinal number that is the sum of nine and one; the base of the decimal system	the 24th letter of the Roman alphabet
	the cardinal number that is the sum of nine and one; the base of the decimal system