cull vs gather

cull

verb
  • To gather, collect. 

  • To select animals from a group and then kill them in order to reduce the numbers of the group in a controlled manner. 

  • To pick or take someone or something (from a larger group). 

  • To kill (animals etc). 

  • To lay off in order to reduce the size of, get rid of. 

noun
  • A lobster having only one claw. 

  • A selection. 

  • An individual animal selected to be killed, or item of produce to be discarded. 

  • A piece unfit for inclusion within a larger group; an inferior specimen. 

  • An organised killing of selected animals. 

  • A fool, gullible person; a dupe. 

gather

verb
  • To congregate, or assemble. 

  • To grow gradually larger by accretion. 

  • To bring stitches closer together. 

  • To collect molten glass on the end of a tool. 

  • To accumulate over time, to amass little by little. 

  • To haul in; to take up. 

  • To infer or conclude; to know from a different source. 

  • Especially, to harvest food. 

  • To collect; normally separate things. 

  • To bring parts of a whole closer. 

  • To gain; to win. 

  • To be filled with pus 

  • To add pleats or folds to a piece of cloth, normally to reduce its width. 

  • To bring together, or nearer together, in masonry, as for example where the width of a fireplace is rapidly diminished to the width of the flue. 

noun
  • The soffit or under surface of the masonry required in gathering. See gather (transitive verb). 

  • A gathering. 

  • The inclination forward of the axle journals to keep the wheels from working outward. 

  • A blob of molten glass collected on the end of a blowpipe. 

  • A plait or fold in cloth, made by drawing a thread through it; a pucker. 

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