fingerpost vs fingerboard

fingerpost and fingerboard both are nouns.

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

As nouns, fingerpost and fingerboard are synonyms defined as:

fingerpost and fingerboard: a guidepost resembling a hand with a pointing index finger

fingerpost (noun)	fingerboard (noun)
a guidepost resembling a hand with a pointing index finger	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 bank of keys on a musical instrument
	a guidepost resembling a hand with a pointing index finger