manslaughter vs tort

manslaughter

noun
  • The unlawful killing of a human, either in negligence or incidentally to the commission of some unlawful act, but without specific malice, or upon a sudden excitement of anger; considered less culpable than murder, but more culpable than justifiable homicide. 

tort

noun
  • A wrongful act, whether intentional or negligent, regarded as non-criminal and unrelated to a contract, which causes an injury and can be remedied in civil court, usually through the awarding of damages. 

adj
  • Synonym of tart (“sharp- or sour-tasting; (figuratively) keen, severe, sharp”) 

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