XIII vs long dozen

XIII and long dozen both are nouns.

Word	Noun	Adjective	Verb	Adverb
XIII	Yes	No	No	No
long dozen	Yes	No	No	No

As nouns, XIII and long dozen are synonyms defined as:

XIII and long dozen: the cardinal number that is the sum of twelve and one

Other synonyms of XIII include 13, baker's dozen, thirteen.

XIII (noun)	long dozen (noun)
the cardinal number that is the sum of twelve and one	the cardinal number that is the sum of twelve and one