Kafkaesque vs unreal

Kafkaesque

adj
  • Marked by a senseless, disorienting, often menacing complexity. 

  • Marked by surreal distortion and often a sense of looming danger. 

  • In the manner of something written by Franz Kafka. 

unreal

adj
  • Not real or substantial; having no actual presence in reality; lacking the characteristics of reality. 

  • very impressive; amazing; unbelievable; incredible; larger or more fantastic than typical of real life. 

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