the Tempter vs Old Nick

the Tempter and Old Nick both are nouns.

Word	Noun	Adjective	Verb	Adverb
the Tempter	Yes	No	No	No
Old Nick	Yes	No	No	No

As nouns, the Tempter and Old Nick are synonyms defined as:

the Tempter and Old Nick: (Judeo-Christian and Islamic religions) chief spirit of evil and adversary of God; tempter of mankind; master of Hell

Other synonyms of the Tempter include Beelzebub, Devil, Lucifer, Prince of Darkness, Satan.

the Tempter (noun)	Old Nick (noun)
(Judeo-Christian and Islamic religions) chief spirit of evil and adversary of God; tempter of mankind; master of Hell	(Judeo-Christian and Islamic religions) chief spirit of evil and adversary of God; tempter of mankind; master of Hell