verbosity vs verboseness

verbosity and verboseness both are nouns.

Word	Noun	Adjective	Verb	Adverb
verbosity	Yes	No	No	No
verboseness	Yes	No	No	No

As nouns, verbosity and verboseness are synonyms defined as:

verbosity and verboseness: an expressive style that uses excessive or empty words

verbosity (noun)	verboseness (noun)
an expressive style that uses excessive or empty words	an expressive style that uses excessive or empty words