elmwood vs wood

elmwood and wood both are nouns.

Word	Noun	Adjective	Verb	Adverb
elmwood	Yes	No	No	No
wood	Yes	No	No	No

As nouns, wood is a hypernym of elmwood; that is, wood is a word with a broader meaning than elmwood:

elmwood: hard tough wood of an elm tree; used for e.g. implements and furniture
wood: the hard fibrous lignified substance under the bark of trees

elmwood (noun)	wood (noun)
hard tough wood of an elm tree; used for e.g. implements and furniture	any wind instrument other than the brass instruments
	a golf club with a long shaft used to hit long shots; originally made with a wooden head
	the trees and other plants in a large densely wooded area
	the hard fibrous lignified substance under the bark of trees