poikilo- vs psychedelic

poikilo-

prefix
  • Variegated or variable. 

psychedelic

intj
  • awesome, cool, groovy 

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

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

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 poikilo- and psychedelic occurred in a corpus of books? (source: Google Ngram Viewer )