razor blade vs scissor

razor blade

noun
  • A replaceable cartridge in which razor blades are set, fitted into a razor. 

  • A thin piece of steel with a sharp edge that can be fitted into a razor. 

scissor

noun
  • One blade on a pair of scissors. 

  • Scissors. 

  • Used in certain noun phrases to denote a thing resembling the action of scissors, as scissor kick, scissor hold (wrestling), scissor jack. 

verb
  • To cut using, or as if using, scissors. 

  • To engage in scissoring (tribadism), a sexual act in which two women intertwine their legs and rub their vulvas against each other. 

  • To skate with one foot significantly in front of the other. 

  • To move something like a pair of scissors, especially the legs. 

  • To excise or expunge something from a text. 

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