pass up vs snow

pass up

verb
  • To refuse (not accept); forgo. 

  • Used other than figuratively or idiomatically: see pass, up. 

  • To submit (hand in) items to a person, usually one's teacher. 

snow

verb
  • To bluff in draw poker by refusing to draw any cards. 

  • To hoodwink someone, especially by presenting confusing information. 

  • To have snow fall from the sky. 

noun
  • The frozen, crystalline state of water that falls as precipitation. 

  • The moving pattern of random dots displayed on a television, etc., when no transmission signal is being received. 

  • marine snow 

  • A square-rigged vessel, differing from a brig only in that she has a trysail mast close abaft the mainmast, on which a large trysail is hoisted. 

  • A snowfall; a blanket of frozen, crystalline water. 

  • Cocaine. 

  • Any similar frozen form of a gas or liquid. 

  • A shade of the color white. 

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