double dagger vs diesis

double dagger and diesis both are nouns.

Word	Noun	Adjective	Verb	Adverb
double dagger	Yes	No	No	No
diesis	Yes	No	No	No

As nouns, double dagger and diesis are synonyms defined as:

double dagger and diesis: a character used in printing to indicate a third cross reference or footnote after the asterisk and the dagger have been used

Other synonyms of double dagger include double obelisk.

double dagger (noun)	diesis (noun)
a character used in printing to indicate a third cross reference or footnote after the asterisk and the dagger have been used	a character used in printing to indicate a third cross reference or footnote after the asterisk and the dagger have been used