larynx vs scruff

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 

scruff

noun
  • The loose skin at the back of the neck of some animals. 

  • The back of the neck, nape; also scruff of the neck. 

  • Someone with an untidy appearance. 

  • Stubble, facial hair (on males). 

verb
  • To lift or carry by the scruff. 

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