meiosis vs underemphasis

meiosis

noun
  • A figure of speech whereby something is made to seem smaller or less important than it actually is. 

  • Cell division of a diploid cell into four haploid cells, which develop to produce gametes. 

underemphasis

noun
  • Insufficient emphasis. 

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