surd vs whole

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. 

whole

adj
  • Entire, undivided. 

  • Used as an intensifier. 

  • Sound, uninjured, healthy. 

  • From which none of its constituents has been removed. 

  • As yet unworked. 

adv
  • In entirety; entirely; wholly. 

noun
  • Something complete, without any parts missing. 

  • An entirety. 

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