check off vs stamp

check off

verb
  • To mark items on a list (with a checkmark or by crossing them out) that have been chosen for keeping or removal or that have been dealt with (for example, completed or verified as correct or satisfactory); to tick off (UK), tick (UK), cross off, strike off. 

  • To carry out a decision recorded through the process of checking off an item on a list, including dealing with it, removing it from the possible choices, or removing the not checked items from further consideration. 

  • To deduct union members' dues from their wages. 

stamp

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

  • 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. 

noun
  • 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. 

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

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

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