combination vs detachment

combination

noun
  • The act of combining, the state of being combined or the result of combining. 

  • One or more elements selected from a set without regard to the order of selection. 

  • An association or alliance of people for some common purpose. 

  • A combination shot; a billiard; a shot where the cue ball hits a ball that strikes another ball on the table. 

  • A sequence of numbers or letters used to open a combination lock. 

  • A rapid sequence of punches or strikes in boxing or other combat sports. 

  • A motorcycle and sidecar. 

  • An object formed by combining. 

detachment

noun
  • The action of detaching; separation. 

  • A permanent unit organized for special duties. 

  • Indifference to the concerns of others; disregard; nonchalance; aloofness. 

  • The state of being detached or disconnected; insulation. 

  • The separation of a military unit from the main body for a particular purpose or special mission. 

  • The unit so dispatched. 

  • Absence of bias; impartiality; objectivity. 

  • Any smaller portion of a main body separately employed. 

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