gumwood vs wood

gumwood and wood both are nouns.

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

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

gumwood: wood or lumber from any of various gum trees especially the sweet gum
wood: the hard fibrous lignified substance under the bark of trees

gumwood (noun)	wood (noun)
wood or lumber from any of various gum trees especially the sweet gum	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	a golf club with a long shaft used to hit long shots; originally made with a wooden head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