banging vs surd

banging

noun
  • The action or sound of something that bangs. 

  • A session of sexual intercourse. 

adj
  • Excellent, brilliant, very exciting, top, great. 

  • Attractive; sexually appealing. 

surd

noun
  • A voiceless consonant. 

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

adj
  • unvoiced; voiceless 

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

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