snub vs turn down

snub

verb
  • To turn down insultingly; to dismiss. 

  • To slight, ignore or behave coldly toward someone. 

  • To check; to reprimand. 

  • To halt the movement of a rope etc by turning it about a cleat or bollard etc; to secure a vessel in this manner. 

  • To sob with convulsions. 

  • To stub out (a cigarette etc). 

  • To clip or break off the end of; to check or stunt the growth of. 

adj
  • Derived from a simpler polyhedron by the addition of extra triangular faces. 

  • Conspicuously short. 

  • Flat and broad, with the end slightly turned up. 

noun
  • A deliberate affront or slight. 

  • A sudden checking of a cable or rope. 

turn down

verb
  • To refuse, decline, or deny. 

  • To reduce the power, etc. of something by means of a control, such as the volume, heat, or light. 

  • To reposition by turning, flipping, etc. in a downward direction; to double or fold down. 

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