cohort vs corps

cohort

noun
  • A group of people supporting the same thing or person. 

  • A demographic grouping of people, especially those in a defined age group, or having a common characteristic. 

  • Any division of a Roman legion, normally of about 500 or 600 men (equalling about six centuries). 

  • Any band or body of warriors. 

  • A set of individuals in a program, especially when compared to previous sets of individuals within the same program. 

  • A natural group of orders of organisms, less comprehensive than a class. 

  • A colleague. 

  • An accomplice; abettor; associate. 

verb
  • To associate with such a group 

corps

noun
  • An organized group of people united by a common purpose. 

  • A battlefield formation composed of two or more divisions. 

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