heft vs herd

heft

verb
  • To make (a farm animal, especially a flock of sheep) accustomed and attached to an area of mountain pasture. 

  • To test the weight of something by lifting it. 

  • To lift up; especially, to lift something heavy. 

noun
  • Weight. 

  • Heaviness, the feel of weight; heftiness. 

  • A piece of mountain pasture to which a farm animal has become hefted (accustomed). 

  • Poor condition in sheep caused by mineral deficiency. 

  • The act or effort of heaving; violent strain or exertion. 

  • Influence; importance. 

  • A number of sheets of paper fastened together, as for a notebook. 

  • An animal that has become hefted thus. 

  • A part of a serial publication. 

herd

verb
  • To form or put into a herd. 

  • 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. 

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

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

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

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