colouration vs timber

colouration and timber both are nouns.

Word	Noun	Adjective	Verb	Adverb
colouration	Yes	No	No	No
timber	Yes	No	No	No

As nouns, timber is a hypernym of colouration; that is, timber is a word with a broader meaning than colouration:

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

Other hypernyms of colouration include quality, timbre, tone.

colouration (noun)	timber (noun)
choice and use of colors (as by an artist)	a beam made of wood
appearance with regard to color	a post made of wood
the timbre of a musical sound	(music) the distinctive property of a complex sound (a voice or noise or musical sound)
	land that is covered with trees and shrubs
	the wood of trees cut and prepared for use as building material