clavier vs accordion

clavier and accordion both are nouns.

Word	Noun	Adjective	Verb	Adverb
clavier	Yes	No	No	No
accordion	Yes	No	No	No

clavier (noun)	accordion (noun)
a bank of keys on a musical instrument	a portable box-shaped free-reed instrument; the reeds are made to vibrate by air from the bellows controlled by the player
a stringed instrument that has a keyboard