giga- vs under-

giga-

prefix
  • In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10⁹ (short scale billion or long scale milliard). Symbol: G 

  • Augmenting an adjective; intensely, extremely, or to an exceptionally high degree. 

  • Multiplying the unit to which it is attached by 2³⁰ or 1,073,741,824. 

  • Used to augment nouns; denoting an invididual who is a paragon of something. 

under-

prefix
  • Behind 

  • Beneath, under 

  • Subordinate to 

  • Deficient, below what is correct 

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