loquaciousness vs garrulity

loquaciousness and garrulity both are nouns.

Word	Noun	Adjective	Verb	Adverb
loquaciousness	Yes	No	No	No
garrulity	Yes	No	No	No

As nouns, loquaciousness and garrulity are synonyms defined as:

Other synonyms of loquaciousness include garrulousness, loquacity, talkativeness.

loquaciousness (noun)	garrulity (noun)
the quality of being wordy and talkative	the quality of being wordy and talkative