nimble vs unsteady

nimble

verb
  • To move nimbly. 

adj
  • Adept at taking or grasping 

  • Quick and light in movement or action. 

  • Quickwitted and alert. 

unsteady

verb
  • To render unsteady, removing balance. 

adj
  • Inconstant in purpose, or volatile in behavior. 

  • Lacking regularity or uniformity. 

  • Not held firmly in position, physically unstable. 

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