hulking vs surd

hulking

adj
  • Unwieldy. 

  • Large and bulky, heavily built; massive. 

noun
  • A kind of sloping embankment used as a coastal defence. 

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 hulking and surd occurred in a corpus of books? (source: Google Ngram Viewer )