grandiosity vs ornateness

grandiosity and ornateness both are nouns.

Word	Noun	Adjective	Verb	Adverb
grandiosity	Yes	No	No	No
ornateness	Yes	No	No	No

As nouns, grandiosity and ornateness are synonyms defined as:

grandiosity and ornateness: high-flown style; excessive use of verbal ornamentation

Other synonyms of grandiosity include grandiloquence, magniloquence, rhetoric.

grandiosity (noun)	ornateness (noun)
high-flown style; excessive use of verbal ornamentation	an ornate appearance; being elaborately (even excessively) decorated
	high-flown style; excessive use of verbal ornamentation