flocks vs sheep

flocks

sheep

noun
  • The domestic Ovies aries, the most well known species of Ovis. 

  • Sheepskin leather. 

  • A woolly ruminant of the genus Ovis. 

  • A timid, shy person who is easily led by others. 

  • A religious adherent, a member of a congregation or religious community (compare flock). 

  • A person who is easily understood by a speech recognition system; contrasted with goat. 

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