trachea vs weasand

trachea

noun
  • A thin-walled, cartilaginous tube connecting the larynx to the bronchi. 

  • One of the cuticle-lined primary tubes in the respiratory system of an insect, which extend throughout its body. 

weasand

noun
  • The throat or windpipe. 

  • The oesophagus; the gullet. 

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