reed instrument vs woodwind

reed instrument and woodwind both are nouns.

Word	Noun	Adjective	Verb	Adverb
reed instrument	Yes	No	No	No
woodwind	Yes	No	No	No

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

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

Other hypernyms of reed instrument include wood, woodwind instrument.

reed instrument (noun)	woodwind (noun)
a musical instrument that sounds by means of a vibrating reed	any wind instrument other than the brass instruments