collection vs herd

collection

noun
  • A set of items or amount of material procured or gathered together. 

  • A set of college exams generally taken at the start of the term. 

  • A set of sets; used because such a thing is in general too large to comply with the formal definition of a set. 

  • The jurisdiction of a collector of excise. 

  • The activity of collecting. 

  • Multiple related objects associated as a group. 

  • The quality of being collected; calm composure. 

  • A gathering of money for charitable or other purposes, as by passing a contribution box for donations. 

  • Debt collection. 

herd

noun
  • Any collection of animals gathered or travelling in a company. 

  • A number of domestic animals assembled together under the watch or ownership of a keeper. 

  • A crowd, a mass of people or things; a rabble. 

verb
  • To manage, care for or guard a herd 

  • To act as a herdsman or a shepherd. 

  • To unite or associate in a herd 

  • To move or drive a herd. 

  • To associate; to ally oneself with, or place oneself among, a group or company. 

  • To unite or associate in a herd; to feed or run together, or in company. 

  • To form or put into a herd. 

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