greenwood vs timber

greenwood and timber both are nouns.

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

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

Other hypernyms of greenwood include forest, timberland, woodland.

greenwood (noun)	timber (noun)
woodlands in full leaf	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