nasality vs timbre

nasality and timbre both are nouns.

Word	Noun	Adjective	Verb	Adverb
nasality	Yes	No	No	No
timbre	Yes	No	No	No

As nouns, timbre is a hypernym of nasality; that is, timbre is a word with a broader meaning than nasality:

nasality: a quality of the voice that is produced by nasal resonators
timbre: (music) the distinctive property of a complex sound (a voice or noise or musical sound)

Other hypernyms of nasality include quality, timber, tone.

nasality (noun)	timbre (noun)
a quality of the voice that is produced by nasal resonators	(music) the distinctive property of a complex sound (a voice or noise or musical sound)