Nicolaus Copernicus vs Copernicus

Nicolaus Copernicus and Copernicus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Nicolaus Copernicus	Yes	No	No	No
Copernicus	Yes	No	No	No

As nouns, Nicolaus Copernicus and Copernicus are synonyms defined as:

Nicolaus Copernicus and Copernicus: Polish astronomer who produced a workable model of the solar system with the sun in the center (1473-1543)

Other synonyms of Nicolaus Copernicus include Mikolaj Kopernik.

Nicolaus Copernicus (noun)	Copernicus (noun)
Polish astronomer who produced a workable model of the solar system with the sun in the center (1473-1543)	a conspicuous crater on the Moon
	Polish astronomer who produced a workable model of the solar system with the sun in the center (1473-1543)