sonorousness vs ringing

sonorousness and ringing both are nouns.

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

As nouns, sonorousness and ringing are synonyms defined as:

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

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

sonorousness (noun)	ringing (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
	the giving of a ring as a token of engagement
	the sound of a bell ringing