timbre vs sound property

timbre and sound property both are nouns.

Word	Noun	Adjective	Verb	Adverb
timbre	Yes	No	No	No
sound property	Yes	No	No	No

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

timbre: (music) the distinctive property of a complex sound (a voice or noise or musical sound)
sound property: an attribute of sound

timbre (noun)	sound property (noun)
(music) the distinctive property of a complex sound (a voice or noise or musical sound)	an attribute of sound