superhuman vs supernal

superhuman

adj
  • Beyond what is possible for a human being. 

noun
  • A human being with remarkable abilities or superpowers. 

supernal

adj
  • Pertaining to heaven or to the sky; celestial. 

  • Exalted, exquisite, superlative. 

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