hyper- vs under-

hyper-

prefix
  • beyond 

  • excessive 

  • existing in more than three spatial dimensions 

  • linked non-sequentially 

  • over, above 

  • intensely, extremely, or exceptional 

under-

prefix
  • Behind 

  • Beneath, under 

  • Subordinate to 

  • Deficient, below what is correct 

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