adust vs cast down

adust

adj
  • Hot and dry; thirsty or parched. 

  • Of a bodily humour: abnormally dark or over-concentrated (associated with various states of discomfort or illness, specifically being too hot or dry). 

cast down

verb
  • To overthrow, to defeat or bring to ruin. 

  • To make (a person) discouraged or dejected. 

  • Used other than figuratively or idiomatically: see cast, down. 

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