beating-reed instrument vs wood

beating-reed instrument and wood both are nouns.

Word	Noun	Adjective	Verb	Adverb
beating-reed instrument	Yes	No	No	No
wood	Yes	No	No	No

As nouns, wood is a hypernym of beating-reed instrument; that is, wood is a word with a broader meaning than beating-reed instrument:

beating-reed instrument: a musical instrument that sounds by means of a vibrating reed
wood: any wind instrument other than the brass instruments

Other hypernyms of beating-reed instrument include woodwind, woodwind instrument.

beating-reed instrument (noun)	wood (noun)
a musical instrument that sounds by means of a vibrating reed	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	a golf club with a long shaft used to hit long shots; originally made with a wooden head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