reed vs woodwind instrument

reed and woodwind instrument both are nouns.

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

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

Other hypernyms of reed include wood, woodwind.

reed (noun)	woodwind instrument (noun)
a musical instrument that sounds by means of a vibrating reed	any wind instrument other than the brass instruments
a vibrator consisting of a thin strip of stiff material that vibrates to produce a tone when air streams over it
tall woody perennial grasses with hollow slender stems especially of the genera Arundo and Phragmites