clavier vs stringed instrument

clavier and stringed instrument both are nouns.

Word	Noun	Adjective	Verb	Adverb
clavier	Yes	No	No	No
stringed instrument	Yes	No	No	No

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

clavier: a stringed instrument that has a keyboard
stringed instrument: a musical instrument in which taut strings provide the source of sound

Other hypernyms of clavier include keyboard instrument.

clavier (noun)	stringed instrument (noun)
a bank of keys on a musical instrument	a musical instrument in which taut strings provide the source of sound
a stringed instrument that has a keyboard