sonorousness vs vibrancy

sonorousness and vibrancy both are nouns.

Word	Noun	Adjective	Verb	Adverb
sonorousness	Yes	No	No	No
vibrancy	Yes	No	No	No

As nouns, sonorousness and vibrancy are synonyms defined as:

sonorousness and vibrancy: having the character of a loud deep sound; the quality of being resonant

Other synonyms of sonorousness include plangency, resonance, reverberance, ringing, sonority.

sonorousness (noun)	vibrancy (noun)
having the character of a loud deep sound; the quality of being resonant	having the character of a loud deep sound; the quality of being resonant