grandiosity vs grandiloquence

grandiosity and grandiloquence both are nouns.

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

As nouns, grandiosity and grandiloquence are synonyms defined as:

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

Other synonyms of grandiosity include magniloquence, ornateness, rhetoric.

grandiosity (noun)	grandiloquence (noun)
high-flown style; excessive use of verbal ornamentation	high-flown style; excessive use of verbal ornamentation