Prince of Darkness vs Devil

Prince of Darkness and Devil both are nouns.

Word	Noun	Adjective	Verb	Adverb
Prince of Darkness	Yes	No	No	No
Devil	Yes	No	No	No

As nouns, Prince of Darkness and Devil are synonyms defined as:

Prince of Darkness and Devil: (Judeo-Christian and Islamic religions) chief spirit of evil and adversary of God; tempter of mankind; master of Hell

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

Prince of Darkness (noun)	Devil (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