vibrancy vs sonorousness

vibrancy and sonorousness both are nouns.

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

As nouns, vibrancy and sonorousness are synonyms defined as:

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

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

vibrancy (noun)	sonorousness (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