cyclonic vs squally

cyclonic

adj
  • Of, pertaining to, or resembling a cyclone. 

  • Rotating in the same direction as the Earth i.e. anticlockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere. 

squally

adj
  • Characterized by squalls, or sudden violent bursts of wind; gusty. 

  • Not equally good throughout; not uniform; uneven; faulty. 

  • Producing or characteristic of loud wails. 

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