cull vs squad

cull

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

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

  • To kill (animals etc). 

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

  • To gather, collect. 

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. 

squad

verb
  • To act as part of, or on behalf of, a squad. 

noun
  • Sloppy mud. 

  • One's friend group, taken collectively; one's peeps. 

  • A unit of tactical military personnel, or of police officers, usually of about ten members. 

  • A group of potential players from whom a starting team and substitutes are chosen. 

  • A collective noun for a group of squid. 

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