ague vs judder

ague

noun
  • A chill, or state of shaking, as with cold. 

  • The cold fit or rigor of the intermittent fever 

  • An intermittent fever, attended by alternate cold and hot fits. 

verb
  • To strike with an ague, or with a cold fit. 

judder

noun
  • A spasmodic shaking. 

  • Jerky playback caused by converting between frame rates; telecine judder 

verb
  • To move with a stop-start motion, as if experiencing a strong resistance or when decelerating brusquely. 

  • To spasm or shake violently. 

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