dia- vs giga-

dia-

prefix
  • through, across 

  • between 

giga-

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

  • 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. 

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