Cassandra vs seer

Cassandra

noun
  • A person who makes dire predictions, especially those which are not believed but which turn out to be true. 

name
  • A female given name from Ancient Greek. 

  • An unincorporated community in Walker County, Georgia, United States. 

  • A prophetess who was daughter of King Priam of Troy and his queen Hecuba. She captured the eye of Apollo and was granted the ability to see the future; however, she was destined never to be believed. 

  • A small borough in Cambria County, Pennsylvania, United States. 

seer

noun
  • One who foretells the future; a clairvoyant, prophet, soothsayer or diviner. 

  • One who sees something; an eyewitness. 

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