stupid vs surd

stupid

noun
  • A stupid person; a fool. 

  • The condition or state of being stupid; stupidity, stupidness. 

adv
  • Extremely. 

adj
  • Dulled in feeling or sensation; torpid. 

  • Amazing. 

  • Replaces an obscene or profane word. 

  • Lacking in intelligence or exhibiting the quality of having been done by someone lacking in intelligence. 

  • To the point of stupor. 

surd

noun
  • An irrational number, especially one expressed using the √ symbol. 

  • A voiceless consonant. 

adj
  • unvoiced; voiceless 

  • Involving surds, or irrational numbers; not capable of being expressed in rational numbers. 

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