gula vs trachea

gula

noun
  • The upper front of the neck, next to the chin; the upper throat. 

  • A capping moulding; a cymatium. 

  • A plate which in most insects supports the submentum. 

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. 

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