Kafkaesque vs psychedelic

Kafkaesque

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

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

  • In the manner of something written by Franz Kafka. 

psychedelic

adj
  • Having bright colours, abstract shapes, etc. reminiscent of drug-induced hallucinations or distortions of perception. 

  • Of, containing, generating, or reminiscent of drug-induced hallucinations, distortions of perception, altered awareness etc. 

intj
  • awesome, cool, groovy 

noun
  • Any psychoactive substance (such as LSD or psilocybin) which, when consumed, causes perceptual changes (sometimes erratic and uncontrollable), visual hallucination, and altered awareness of the body and mind. 

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