akin vs consanguineous

akin

adj
  • Of the same kin; related by blood. 

  • Allied by nature; similar; partaking of the same properties; of the same kind. 

consanguineous

adj
  • Related by birth; descended from the same parent or ancestor. 

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