dollar sign vs dollar

dollar sign and dollar both are nouns.

Word	Noun	Adjective	Verb	Adverb
dollar sign	Yes	No	No	No
dollar	Yes	No	No	No

As nouns, dollar sign and dollar are synonyms defined as:

Other synonyms of dollar sign include dollar mark.

dollar sign (noun)	dollar (noun)
a mark ($) written before a number to indicate that it stands for the number of dollars	a symbol of commercialism or greed
a symbol of commercialism or greed	a piece of paper money worth one dollar
	a United States coin worth one dollar
	the basic monetary unit in many countries; equal to 100 cents