repel vs siphon

repel

verb
  • To drive back (an assailant, advancing force etc.). 

  • To ward off (a malignant influence, attack etc.). 

  • To cause repulsion or dislike in; to disgust. 

  • To reject, put off (a request, demand etc.). 

  • To save (a shot). 

  • To force away by means of a repulsive force. 

siphon

verb
  • To steal or skim off money in small amounts; to embezzle. 

  • To transfer (liquid) by means of a siphon. 

noun
  • A bent pipe or tube with one end lower than the other, in which hydrostatic pressure exerted due to the force of gravity moves liquid from one reservoir to another. 

  • A soda siphon. 

  • A tubelike organ found in animals or elongated cell found in plants. 

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