clavier vs fingerboard

clavier and fingerboard both are nouns.

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

As nouns, clavier and fingerboard are synonyms defined as:

Other synonyms of clavier include piano keyboard.

clavier (noun)	fingerboard (noun)
a bank of keys on a musical instrument	a narrow strip of wood on the neck of some stringed instruments (violin or cello or guitar etc) where the strings are held against the wood with the fingers
a stringed instrument that has a keyboard	a bank of keys on a musical instrument
	a guidepost resembling a hand with a pointing index finger