dollar mark vs dollar sign

dollar mark and dollar sign both are nouns.

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

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

dollar mark and dollar sign: a mark ($) written before a number to indicate that it stands for the number of dollars

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

Other synonyms of dollar mark include dollar.

dollar mark (noun)	dollar sign (noun)
a mark ($) written before a number to indicate that it stands for the number of dollars	a mark ($) 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