capitation vs census

capitation

noun
  • Performing a headcount; the counting of people. 

  • A system of remuneration for providers of health care, in which providers enroll patients as permanent clients and receive a fixed periodic payment for each enrollee. 

  • A poll tax. 

  • A donation made to an educational institution to obtain admission. 

census

noun
  • Count, tally. 

  • An official count or enumeration of members of a population (not necessarily human), usually residents or citizens in a particular region, often done at regular intervals. 

verb
  • To collect a census. 

  • To conduct a census on. 

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