Germ vs homo

Germ

noun
  • a German person. 

homo

noun
  • A human. 

  • I heard that he's a homo, but he hasn't come out of the closet yet. 

adj
  • Of or pertaining to homosexuality. 

  • Homogenized; almost always said of milk with a high butterfat content. 

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