sumac vs wood

sumac and wood both are nouns.

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

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

sumac (noun)	wood (noun)
a shrub or tree of the genus Rhus (usually limited to the non-poisonous members of the genus)	any wind instrument other than the brass instruments
wood of a sumac	a golf club with a long shaft used to hit long shots; originally made with a wooden head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