half-blooded vs half-caste

half-blooded

adj

  • Having parents of differing ethnicities. 

  • Having only one parent from a known pedigree. 

  • Having only one parent in common. 

half-caste

adj

  • Of mixed racial descent. 

noun

  • A person of mixed racial descent. 

How often have the words half-blooded and half-caste occurred in a corpus of books? (source: Google Ngram Viewer )