fingerboard vs larynx

fingerboard

noun
  • A flat or roughly flat strip on the neck of a stringed instrument, against which the strings are pressed to shorten the vibrating length and produce notes of higher pitches. 

  • A miniature skateboard that is driven with the fingers. 

larynx

noun
  • A hollow muscular organ of the neck of mammals situated just below where the tract of the pharynx splits into the trachea and the oesophagus. It is involved in breath control and protection of the trachea, and, because it houses the vocal cords, sound production. 

  • Meronyms: epilarynx, hypolarynx, orolarynx 

How often have the words fingerboard and larynx occurred in a corpus of books? (source: Google Ngram Viewer )