loquaciousness vs talkativeness

loquaciousness and talkativeness both are nouns.

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

As nouns, loquaciousness and talkativeness are synonyms defined as:

loquaciousness and talkativeness: the quality of being wordy and talkative

Other synonyms of loquaciousness include garrulity, garrulousness, loquacity.

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