sealing wax vs stamp

sealing wax

noun
  • Wax formerly melted onto a letter to seal it; the picture of the sender's seal was often pressed into the wax as evidence that the letter had not been opened. 

stamp

noun
  • A small piece of paper bearing a design on one side and adhesive on the other, used to decorate letters or craft work. 

  • An act of stamping the foot, paw or hoof. 

  • A device for stamping designs. 

  • A single dose of lysergic acid diethylamide. 

  • A small piece of paper, with a design and a face value, used to prepay postage or other dues such as tax or licence fees. 

  • Cast; form; character; distinguishing mark or sign; evidence. 

  • A tattoo. 

  • A kind of heavy pestle, raised by water or steam power, for crushing ores. 

  • An indentation, imprint, or mark made by stamping. 

verb
  • To move (the foot or feet) quickly and heavily, once or repeatedly. 

  • To strike, beat, or press forcibly with the bottom of the foot, or by thrusting the foot downward. 

  • To mark; to impress. 

  • To step quickly and heavily, once or repeatedly. 

  • To apply postage stamps to. 

  • To mark by pressing quickly and heavily. 

  • To give an official marking to, generally by impressing or imprinting a design or symbol. 

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