caitiff vs infamous

caitiff

adj
  • Especially despicable; cowardly 

noun
  • A base or despicable person; a wretch 

infamous

adj
  • Having a bad reputation; disreputable; notorious; unpleasant or evil; widely known, especially for something scornful. 

  • Causing infamy; disgraceful. 

  • Subject to a judicial punishment that deprived the infamous person of certain rights; this included a prohibition against holding public office, exercising the franchise, receiving a public pension, serving on a jury, or giving testimony in a court of law. 

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