dead set vs surd

dead set

adj
  • Unswervingly dedicated; resolutely determined. 

  • Complete and utter; total. 

noun
  • The rigid pose a hunting dog assumes when pointing out game to a hunter. 

  • A determined effort. 

  • A pointed and persistent attack on a person. 

  • A fixed or stationary condition arising from obstacle or hindrance; a deadlock. 

surd

adj
  • unvoiced; voiceless 

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

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

  • A voiceless consonant. 

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