breech vs shallow

breech

verb
  • To fasten with breeching. 

  • To fit or furnish with a breech. 

adv
  • With the hips coming out before the head. 

noun
  • The part of a cannon or other firearm behind the chamber. 

  • A breech birth. 

  • A garment whose purpose is to cover or clothe the buttocks. 

  • The external angle of knee timber, the inside of which is called the throat. 

adj
  • Born, or having been born, breech. 

shallow

verb
  • To make or become less deep. 

noun
  • A costermonger's barrow. 

  • A shallow portion of an otherwise deep body of water. 

  • A fish, the rudd. 

adj
  • Not steep; close to horizontal. 

  • Not far forward, close to the net. 

  • Having little depth; significantly less deep than wide. 

  • Not intellectually deep; not penetrating deeply; simple; not wise or knowing. 

  • Concerned mainly with superficial matters. 

  • Extending not far downward. 

  • Lacking interest or substance. 

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