sub- vs supra-

sub-

prefix
  • under, beneath 

  • subsidiary, secondary 

  • almost, nearly 

supra-

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

  • intensely, extremely, or exceptional 

  • greater than, transcending 

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