Cosimo the Elder vs Cosimo de' Medici

Cosimo the Elder and Cosimo de' Medici both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cosimo the Elder	Yes	No	No	No
Cosimo de' Medici	Yes	No	No	No

As nouns, Cosimo the Elder and Cosimo de' Medici are synonyms defined as:

Cosimo the Elder and Cosimo de' Medici: Italian financier and statesman and friend of the papal court (1389-1464)

Other synonyms of Cosimo the Elder include Cosimo de Medici.

Cosimo the Elder (noun)	Cosimo de' Medici (noun)
Italian financier and statesman and friend of the papal court (1389-1464)	Italian financier and statesman and friend of the papal court (1389-1464)