breech vs tough

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. 

tough

verb
  • To toughen. 

  • To endure. 

intj
  • Used to indicate lack of sympathy 

noun
  • A person who obtains things by force; a thug or bully. 

adj
  • Harsh or severe. 

  • Difficult or demanding. 

  • Stubborn or persistent; capable of stubbornness or persistence. 

  • Strong and resilient; sturdy. 

  • Undergoing plastic deformation before breaking. 

  • Difficult to cut or chew. 

  • Rugged or physically hardy. 

  • Rowdy or rough. 

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