Phosphorus vs Lucifer

Phosphorus and Lucifer both are nouns.

Word	Noun	Adjective	Verb	Adverb
Phosphorus	Yes	No	No	No
Lucifer	Yes	No	No	No

As nouns, Phosphorus and Lucifer are synonyms defined as:

Phosphorus and Lucifer: a planet (usually Venus) seen just before sunrise in the eastern sky

Other synonyms of Phosphorus include daystar, morning star.

Phosphorus (noun)	Lucifer (noun)
a planet (usually Venus) seen just before sunrise in the eastern sky	a planet (usually Venus) seen just before sunrise in the eastern sky
	(Judeo-Christian and Islamic religions) chief spirit of evil and adversary of God; tempter of mankind; master of Hell