genre vs phylum

genre

noun
  • A kind; a stylistic category or sort, especially of literature or other artworks. 

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. 

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