biome vs timber

biome and timber both are nouns.

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

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

biome: a major biotic community characterized by the dominant forms of plant life and the prevailing climate
timber: land that is covered with trees and shrubs

Other hyponyms of biome include desert, grassland, forest, timberland, woodland.

biome (noun)	timber (noun)
a major biotic community characterized by the dominant forms of plant life and the prevailing climate	a beam made of wood
	a post made of wood
	(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