acquirement vs eugenics

acquirement

noun
  • The act or fact of acquiring something; acquisition. 

eugenics

noun
  • A social philosophy or practice which advocates the improvement of human hereditary qualities through selective breeding, either by encouraging people with good genetic qualities to reproduce (positive eugenics), or discouraging people with bad genetic qualities from reproducing (negative eugenics), or by technological means. 

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