cadre vs squadron

cadre

noun
  • The framework or skeleton upon which a new regiment is to be formed; the officers of a regiment forming the staff. 

  • The core of a managing group, or a member of such a group. 

  • A small group of people specially trained for a particular purpose or profession. 

  • A frame or framework. 

squadron

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

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

verb
  • To divide up into squadrons. 

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