comrade vs cummer

comrade

noun
  • A mate, companion, or associate. 

  • A companion in battle; fellow soldier. 

  • A fellow socialist, communist or other similarly politically aligned person. 

  • A non-hierarchical title, functionally similar to "Mr.", "Mrs.", "Miss", "Ms." etc, in a communist or socialist state. 

verb
  • To associate with in a friendly way. 

cummer

noun
  • A female companion or intimate (of another woman). 

  • The relationship of a godmother to the other godparents (godsibs or gossips), and the legal parents, of a child. 

  • Lass, the feminine equivalent of fellow. 

  • One who cums or climaxes. 

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