squad vs squadron

squad

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

  • Sloppy mud. 

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

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

  • A collective noun for a group of squid. 

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

squadron

noun
  • A body of infantrymen made up of several platoons, averaging from eighty to one hundred and fifty men, and led by a captain or a major. 

  • A tactical air force unit; consists of at least two flights; multiple squadrons make up a group or wing (depending on particular air force). 

  • A spaceforce unit; multiple squadrons make up an operations delta or a support garrison. 

  • A detachment of vessels employed on any particular service or station, under the command of the senior officer 

  • A body of cavalry comprising two companies or troops, averaging from one hundred and twenty to two hundred soldiers. 

verb
  • To divide up into squadrons. 

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