Arminius vs Jacobus Arminius

Arminius and Jacobus Arminius both are nouns.

Word	Noun	Adjective	Verb	Adverb
Arminius	Yes	No	No	No
Jacobus Arminius	Yes	No	No	No

As nouns, Arminius and Jacobus Arminius are synonyms defined as:

Arminius and Jacobus Arminius: Dutch Protestant theologian who founded Arminianism which opposed the absolute predestinarianism of John Calvin (1560-1609)

Other synonyms of Arminius include Jacob Harmensen, Jakob Hermandszoon.

Arminius (noun)	Jacobus Arminius (noun)
German hero; leader at the battle of Teutoburger Wald in AD 9 (circa 18 BC - AD 19)	Dutch Protestant theologian who founded Arminianism which opposed the absolute predestinarianism of John Calvin (1560-1609)
Dutch Protestant theologian who founded Arminianism which opposed the absolute predestinarianism of John Calvin (1560-1609)