partial vs tough

partial

adj
  • of 

  • having a predilection for something 

  • biased in favor of a person, side, or point of view, especially when dealing with a competition or dispute 

  • describing a property that holds only when an algorithm terminates 

  • existing as a part or portion; incomplete 

  • subordinate 

  • of or relating to a partial derivative or partial differential 

verb
  • To take the partial regression coefficient. 

noun
  • An incomplete fingerprint 

  • dentures that replace only some of the natural teeth 

  • Any of the sine waves which make up a complex tone; often an overtone or harmonic of the fundamental. 

  • A partial derivative: a derivative with respect to one independent variable of a function in multiple variables while holding the other variables constant. 

  • A fragment of a template containing markup. 

  • The condition of not exhausting the amplitude during the repetition of an exercise. 

tough

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. 

verb
  • To endure. 

  • To toughen. 

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

intj
  • Used to indicate lack of sympathy 

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