shimmer vs succuss

shimmer

verb
  • To shine tremulously or intermittently; to gleam faintly. 

noun
  • A measure of the irregularities in the loudness of a particular pitch over time. 

  • A faint or veiled and tremulous gleam or shining. 

  • A thin electronic device that is fit inside a card reader, such as on automated teller machines (ATMs), or point-of-sale terminals (POS's), that acts as an intermediate interface between the chip on a chip-and-pin technology card and the chip reader of the machine, to allow one to clone the chip. 

succuss

verb
  • To shake with vigor. 

  • To shake a patient to detect fluids or air in the body. 

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