prestige vs prestigiousness

prestige and prestigiousness both are nouns.

Word	Noun	Adjective	Verb	Adverb
prestige	Yes	No	No	No
prestigiousness	Yes	No	No	No

As nouns, prestige and prestigiousness are synonyms defined as:

prestige and prestigiousness: a high standing achieved through success or influence or wealth etc.

prestige (noun)	prestigiousness (noun)
a high standing achieved through success or influence or wealth etc.	a high standing achieved through success or influence or wealth etc.