supra- vs under-

supra-

prefix
  • greater than, transcending 

  • intensely, extremely, or exceptional 

  • above, over, on top; (anatomy, medicine) superior 

under-

prefix
  • Subordinate to 

  • Behind 

  • Beneath, under 

  • Deficient, below what is correct 

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