timber vs coloration

timber and coloration both are nouns.

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

As nouns, coloration is a hyponym of timber; that is, coloration is a word with a more specific, narrower meaning than timber:

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

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