larynx vs weasand

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 

weasand

noun
  • The oesophagus; the gullet. 

  • The throat or windpipe. 

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