phylum vs tribe

phylum

noun
  • A rank in the classification of organisms, below kingdom and above class; also called a divisio or a division, especially in describing plants; a taxon at that rank 

  • A large division of possibly related languages, or a major language family which is not subordinate to another. 

tribe

noun
  • A hierarchal rank between family and genus. 

  • An ethnic group larger than a band or clan (and which may contain clans) but smaller than a nation (and which in turn may be contained within a nation). The tribe is often the basis of ethnic identity. 

  • A socially cohesive group of people within a society 

  • A family of animals descended from some particular female progenitor, through the female line. 

  • A tribal nation or people. 

  • The collective noun for various animals. 

  • A group of apes who live and work together. 

  • A nation or people in an area considered culturally primitive, such as Africa, Australia or Native America. 

verb
  • To distribute into tribes or classes; to categorize. 

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