multi-coloured vs psychedelic

multi-coloured

adj
  • Britain standard spelling of multi-colored. 

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. 

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. 

intj
  • awesome, cool, groovy 

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