talkativeness vs loquaciousness

talkativeness and loquaciousness both are nouns.

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

As nouns, talkativeness and loquaciousness are synonyms defined as:

talkativeness and loquaciousness: the quality of being wordy and talkative

Other synonyms of talkativeness include garrulity, garrulousness, loquacity.

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