illustrious vs renowned

illustrious and renowned both are adjectives.

Word	Noun	Adjective	Verb	Adverb
illustrious	No	Yes	No	No
renowned	No	Yes	No	No

As adjectives, illustrious and renowned are synonyms defined as:

Other synonyms of illustrious include celebrated, famed, famous, far-famed, notable, noted.

illustrious (adjective)	renowned (adjective)
having or conferring glory	widely known and esteemed
widely known and esteemed